- Why does Dr. Armstrong examine Marston's drink? What does he discover? What do the guests conclude about Marston's
death? in the book and then there were none

i think the answer is d)solicitude sorry if the answer is wrong.

man vs. nature - first choice

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."