Mark the letter A, B, C, or D to...

Câu hỏi: Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

A. I had ability of learning many foreign languages though my mother herself recognized it.

B. It was my mother who recognized my ability of learning many foreign languages.

C. I had ability of learning many foreign languages unless my mother herself recognized it.

D. It was my mother's ability of learning many foreign languages that she herself recognized.