— Oh, Rose. you gave us!
— Really?
A. How a pleasant surprise
B. How pleasant a surprise
C. What pleasant surprise
D. How pleasant surprise
网友回答
A. How a pleasant surprise
(答案→)B. How pleasant a surprise
C. What pleasant surprise
D. How pleasant surprise
解析：选B。surprise本来是不可数名词，但含有“一个，一场，一次”之意时可加a。