13. GWD31-Q13
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
正确答案是C ,我选的是B。 我也觉得B中的they指代有问题,可能指代sounds。但是C中的producing。。。也可能是做定语修饰sounds啊。 而且觉得C改变句子重心了,还有个很难理解为什么强调的do。 |