Câu hỏi :

The word “that” in paragraph 2 refers to ______.

A. people

B. obese

C. mortality

D. study

* Đáp án

A

* Hướng dẫn giải

For those who were obese, people that had a body mass index of 30 to 35 had a 27% increase in mortality, and those who had a body mass index of 35 to 40 had a 93% increase.

"that" thay cho "people"

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