What is the subject in the following sentence?

To Sally’s astonishment, reading a book every month helped her improve her grammar test scores.

Group of answer choices

A. reading

B. book

C. astonishment

D. scores

Read the excerpt from rena's promise: two sisters in auschwitz. “i have a favor to ask of you, andrzej . . this is very difficult for me, but i must ask. it is no longer safe in tylicz for rena. her mother and i are worried for her safety every day.” “i heard what happened last night, mr. kornreich. i understand your concern.” “i have no money to pay you for this favor.” “sir, i would not take any money from you. she is my friend since childhood. i will do whatever you ask to your daughter.” “ you.” papa paused, stroking his chin where his beard should have been. “you seem like a man of your word. if you would bring rena across the border to slovakia, her mother and i might find sleep at night.” which best summarizes the excerpt? although he does not trust andrzej, rena’s father fears for his daughter’s life and finally agrees to leave her with him. slovakia is the only safe place for the jews of europe, and andrzej has agreed to take rena there. rena’s father asks andrzej to take her to safety in slovakia, and he agrees to do so. after much deliberation, rena’s father pays a polish man to take her safely across the border to slovakia. mark this and return

Read this excerpt from i never had it made. "it's all that ought to count," he replied. "but it isn't. maybe one of these days it will be all that counts. that is one of the reasons i've got you here, robinson. if you're a good enough man, we can make this a start in the right direction. but let me tell you, it's going to take an awful lot of courage." he was back to the crossroads question that made me start to get angry minutes earlier. he asked it slowly and with great care. "have you got the guts to play the game no matter what happens? " "i think i can play the game, mr. rickey," i said. the next few minutes were tough. branch rickey had to make absolutely sure that i knew what i would face. beanballs would be thrown at me. i would be called the kind of names which would hurt and infuriate any man. i would be physically attacked. could i take all of this and control my temper, remain steadfastly loyal to our ultimate aim? which is the central idea of this excerpt?

How whitman’s word choices and line arrangement in lines 4-8 create a feeling of vitality and motion in this section