In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Traditionally, fuel prices were determined (1)/on a cost-plus basis, which led domestic prices (2)/to fall at line with the cost of inputs like crude oil. (3)/No error (4)

Options

A. 1
B. 2
C. 3
D. 4

Answer

C