People reported that before help them a small child of infantile paralysis

Câu hỏi :

People reported that before help ____ them, a small child ______ of infantile paralysis.

A. had reached-died

B. reached-had died

C. reaches-has died

D. has reached-dies

* Đáp án

* Hướng dẫn giải

Đáp án: B

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