In Hangzhou Mr.Black was so struck the beauty of nature that he stayed another night.A.

问题补充：

In Hangzhou，Mr.Black was so struck the beauty of nature that he stayed another night.

A. at；on

B. with；at

C. for；in

D. by；for

答案：

A. at；on

B. with；at

C. for；in

(答案→)D. by；for

解析：介词by后接动作的发出者。stay for another night意为“再住一晚”。