单选题This phenomenon still has many of them wondering their heads.AfidgetingBmeditatingCworryingDscratching

单选题
This phenomenon still has many of them wondering their heads.
A

fidgeting

B

meditating

C

worrying

D

scratching


参考解析

解析:
词语搭配。scratch one’s head表面意思为“挠头,抓耳挠腮”,此处指很多人仍在对这个现象困惑不解。因此选项D为正确答案。fidget作动词时,不及物,意为“坐立不安,烦躁”。meditate指“深思;策划”。

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