When you visualize the action in this passage from “blues ain't no mockin bird,” what effect do you think granny's silent stare has on the twins?

yeh, did he jump? ” say terry all eager. and granny just stared at the twins till their faces swallow up eager and they don't even care any more about the man jumpin.
a.
it makes them angry.
b.
it makes them ashamed.
c.
it makes them even more curious.
d.
it puzzles them.

i am not sure if this is the correct story but i think the answerr is when twain's confidence when he asked twin a question

explanation:

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.