Bunuel
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
Issue 1: Agreement: The singular subject "harvest" requires a singular verb "was".
Issue 2: Logical Predication (Meaning): It is not meant that the
beginning of decrease has been occuring for the last three years, rather it is meant that the
decrease has been occuring for the last three years.
(A) Wrong because of issue 1: plural verb "were" is used for singular subject "harvest".
(B) Wrong because of issue 1. Wrong because of issue 2: "began... for the third straight year" implies that there has been a beginning every year during the last three years.
(C) Wrong because of issue 1
(D) Correct - both the issues have been properly corrected. Singular subject "harvest" agrees with singular verb "was". The
decrease has occured for the past three consecutive years.
(E) Wrong because of issue 2