GWD31-13:dophins发声题，应该选哪个啊？NN们贴出来的答案，A/B/E都有啊

chamcham

以下是引用sabrina07在2007-1-19 16:18:00的发言：

原来是打印错误：

13: Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, Squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.

A: nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by

B: nevertheless creating sounds: they produce a complicated system of whistles, squeaks, moans, trills, and clicks with

C: but they do create sounds, producing a complicated system of whistles, squeaks, moans, trills, and clicks with

D: but they do create sounds, a complicated system of whistles, squeaks, moans, trills, and clicks being produced

E: but nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks produced by

这样的话，C　最好。

why not B? C: producing is unclear to modify sounds or dolphins.

notidgen

up

pwss

jackieli007

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edwinwos

yes correct answer is C