Which sentence is compound?

a.
they ate the peanut brittle on the car ride home.

b.
betsy and her family ate all the peanut brittle on the way home again!

c.
they hadn't planned the trip, but they returned to the store the next day and bought more peanut brittle.

d.
the hannons stopped at a store and bought five pounds of peanut brittle.

C. They hadn't planned the trip, but they returned to the store the next day and bought more peanut brittle.

I just took the test ;)

it creates a visual picture of the man.

it conveys what the scene sounds like.

it describes the actions of the boy.

it reveals the poet’s opinion of the characters.

it encourages readers to care for the characters.

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.