Since the last spring, when the company chairman
decided to allow the assessment to be based on how the complete team fares in selling the high-end products as a whole, several teams began setting their goals prohibitively high, with a goal to promote individual growth as well as ensure marked increase in the sales of the company.
(A) decided to allow the assessment to be based on how the complete team performs in selling the high-end products as a whole, several teams began
(B) decided that the assessment would be allowed based on performance of the complete team in selling the high-end products as a whole, several teams began
(C) decided to allow the assessment to be based on performance of the complete team in selling the high-end products as a whole, several teams have begun
(D) decided to allow the assessment to be based on performance of the complete team in selling the high-end products as a whole, several teams began
(E) decided that the assessment will be allowed based on performance of the complete team in selling the high-end products as a whole, several teams have begun
(adapted from Varsity Tutors)