The highlighted word  "those"  in the second paragraph refers to which of the following?

Câu hỏi :

The highlighted word  "those"  in the second paragraph refers to which of the following?

A racers                      

B sports organizers    

C babies

D elderly people

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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