Playing tennis and playing basketball. no verbs for them.
I thnk it might be C, but 100% sure.
Sentence B. is correct.
Sentance C. Should have been "Even his mother admitted he danced terrible."
sentance A and B used badly in properly so that only leaves B.
That sounds like Alice in Wonderland I don't think it's a story, just made up for a textbook, but the answer is A.