"I must have made a mistake in the calculations."M...

Câu hỏi: "I must have made a mistake in the calculations."Mr. Forest admitted __________________

A. Mr. Forest admitted making a mistake in the calculations.

B. Mr. Forest admitted having made a mistake in the calculations.

C. Mr. Forest admitted to having made a mistake in the calculations.

D. Mr. Forest admitted to have been made a mistake in the calculations.