求助啊求助 求助一个ONLY的倒装！！

freyang

Navigators have known for thousands of years that the ocean has variable currents, but it is only in the last half century that a reasonably clear picture has emerged of the patterns and causes of ocean currents.
A.    a reasonably clear picture has emerged of the patterns and causes of ocean currents
B.    a reasonably clear picture of the patterns of ocean currents and their causes have emerged
C.    a reasonably clear picture emerged of ocean currents, their patterns and the causes of them
D.    there have emerged a reasonably clear picture of the patterns of ocean currents and what caused them
E.    there had emerged a reasonably clear picture of the patterns of ocean currents and their causes

答案要选择A 为什么这里only+状语 不用倒装咧

samt2w

E选项错在哪里呢

freyang

明白明白 谢谢啦

sheikh239

it is only... 不倒装吧

Only打头需要倒装

freyang

大家帮帮我呐~ 谢谢谢谢