问题补充：
According to the Ministry of Health, by May 1, , the total SARS deaths on the Chinese mainlandto 170.
A. has come
B. had reached
C. increased
D. had climbed
答案：
A. has come
B. had reached
C. increased
(答案→)D. had climbed
解析： climb to“增长到”，相当于reach。
