Sentence Correction

The harvest of grapes in the local valleys decreased in 1990 for the third straight year but
were still at a robust level.
(A) The harvest of grapes in the local valleys decreased in 1990 for the third straight year
but were
(B) The harvest of grapes in the local valleys began to decrease in 1990 for the third
straight year but were
(C) In 1990, the harvest of grapes in the local valleys decreased for the third straight year
but were
(D) The harvest of grapes in the local valleys decreased for the third straight year in 1990
but was
(E) The harvest of grapes in the local valleys began decreasing in 1990 for the third
straight year but was

OA D

sub:the harvest
verb was

a,b,c out

e is wrng for began decreasing is a wrng tense

d it is