【問題】PP破解版第四題，答案是第幾阿 我沒答案

[chaosmaster]

4. Although the turtle has been toothless for more than 150 million years, in some contemporary turtle species the moderately sharp and jagged edges of their horny jaws function for teeth.

A. their horny jaws function for teeth
B. its horny jaws function for teeth
C. its horny jaws function as do teeth
D the horny jaws function as teeth do
E the horny jaws function as teeth

我選E
請糾正

[hey]

答案是(E)沒錯, function as是慣用法, as在此當做介係詞用, 其後接名詞

[chaosmaster]

答案是(E)沒錯, function as是慣用法, as在此當做介係詞用, 其後接名詞

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