She has good eyesight. She can see the distant island in the sea.A. as long as B. so far

问题补充：

She has good eyesight. She can see the distant island in the sea.

A. as long as

B. so far as

C. as much as

D. as far as

答案：

A. as long as

B. so far as

C. as much as

(答案→)D. as far as

解析：句意：她的视力很好，她能看见远到海边。as long as只要；as much as与……一样多；so far as远到，用在否定句中；as far as远到，用在否定句中或肯定句中。