“What language do you find the most difficult...

Câu hỏi: “What language do you find the most difficult to learn of all?” Nhung asked Ha.

A Nhung asked Ha what language Ha found the most difficult to learn of all.

B Nhung wanted to know what language they founded the most difficult to learn of all.

C Nhung asked Ha what language did you find the most difficult to learn of all.

D Nhung asked Ha what language you found the most difficult to learn of all.