Choose the best option A, B, C or D to complete each of the sentences from 21 to 39.
Jack Ma or Ma Yun, ______ parents are traditional musician-storytellers, is the founder and executive chairman of Alibaba Group, a family of highly successful Internet-based businesses.
A. that
B. whom
C. who
D. whose
Đáp án : D
“Ma Yun,___ parents” ‘whose” là đại từ quan hệ duy nhất đứng giữa 2 danh từ.