Sentence Correction

Inflation in medical costs slowed 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

karthikpandian19 wrote:Inflation in medical costs slowed 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

IMO D
OA?

B.

IMO B.

A - but 'were' is wrong here. Subject is singular inflation.
C - inflation in medical costs were slowed - changes the meaning as if something slowed down the inflation.
D E - changes the subject from inflation to year 1986.

IMO: B.

What is the OA?

Thanks.

IMO B

Can someone please provide the OA?

Thanks.

D changes the intended meaning as it means that 1986 was 50 percent higher.........