In the sentence identify the segment which contains the grammatical error.
Three more elevated roads have been propose in the new plan to unclog the traffic in Delhi.
(a)in the new plan
(b)Three more elevated roads
(c)to unclog the traffic in Delhi
(d)have been propose

Options

A. in the new plan
B. Three more elevate roads
C. to unclog the traffic in Delhi
D. have been propose

Answer

D