The first edition in 1955 and a best seller ever since.
A. was published; had been
B. had been published; had been
C. has been published; has been
D. was published; has been
网友回答
A. was published; had been
B. had been published; had been
C. has been published; has been
(答案→)D. was published; has been
解析：本题考查的动词时态。in 1955是一个明确表示过去的时间状语，该用一般过去式；第二个空与ever since搭配，该用现在完成时。