I. Choose the word / phrase / sentence (A, B, c or D) that best fits the space or best answers the question given in each sentence. (3.5 pts).

Câu hỏi

Mike: We’re looking for a talented artist for the music program next month.
Sarah: My friend Anna, _____________ sings folk songs very well, may be suitable.

A. who

B. whom

C. which

D. whose

Mike: We’re looking for a talented artist for the music program next month.Sarah: My friend Anna, _____________ sings folk songs very well, may be suitable.