HELP PLEASE!!!!! 30 POINTS!!!!!!!

Choose the answer.

Which sentence contains a properly punctuated and capitalized direct quotation?

A. Where did my afternoon snack disappear to? demanded Sara.

B. She explained, "there was a bowl full of popcorn on my desk two minutes ago."

C. Looking a bit guilty, Raj said "I promise I didn't eat it."

D. "I just ate some grapes," he claimed, "so I'm not hungry anymore."