What does the word these” in paragraph 2 refer to?l

Câu hỏi :

What does the word “these” in paragraph 2 refer to?

A. seaweed and kelp

B. Svalbard’s reindeer

C. their usual pastures

D. milder temperatures

* Đáp án

A

* Hướng dẫn giải

Dẫn chứng: ...Svalbard’s reindeer have been observed eating seaweed and kelp when food is scarce, but these are less nutritious and cause them stomach problems.

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