prep218 关于谓语

茜啦哆梦

218.Only seven people this century have been killed by the great white shark, the man-eater of the movies—less than those killed by bee stings.
A. movies—less than those
B. movies—fewer than have been
C. movies, which is less than those
D. movies, a number lower than the people
E. movies, fewer than the ones

不是prep202说主语比较时谓语省略吗？B怎么还有谓语