After noticing fewer nearsighted patients in a hospital, researchers （） that wearing glasses might offer some protection against Covid-19.

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After noticing fewer nearsighted patients in a hospital, researchers （） that wearing glasses might offer some protection against Covid-19.

A.speculated

B.convinced

C.persuaded

D.disputed

正确答案：speculated

Tag：硕士生英语进阶时间：2021-11-27 15:11:12

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