It is B, adding detail to verbs.
A is describing adjectives
C is not right, prpnopuns do not replace nouns
D, pronouns and verbs are two different things why would one replace the other?
Answer:nooooooo
Explanation:yeahhhhhhhhhhh
I believe your answer is C. If I'm wrong, then my apologies.
Answer:
It implies that they are playing basketball
Explanation: