[求助]XDF讲义6题

6. Inflation in medical costs showed in 1986 for the fifth consecutive year but were still about 50 percent greater than the rate of price increases for other items included in the consumer price index.

A. Inflation in medical costs slowed in 1986 for the fifth consecutive year but were

B. Inflation in medical costs slowed for the fifth consecutive year in 1986 but was

C.in 1986 inflation in medical costs were slowed for the fifth consecutive year but were

D.1986 was the fifth consecutive year in which inflation in medical costs slowed but was

E.1986 was the fifth consecutive year that inflation in medical costs were slowed, but they were

Thank you for your kindly helps. )

是不是选B啊?

通过主谓一致排除ADE,然后看D把1986做为主语明显不合适,所以就剩B了,尽管开始看那个for也有点不顺眼