Some pars of the sentences have error and some are correct. Find out which part of a sentence has an error and blacken the circle corresponding to the appropriate correct option. If a sentence is free from error, blacken the circle corresponding to ..No error.. option in the Answer Sheet
A study is going underway to determine the exact concentration of lead in the water supply.

Options

A. No error
B. of lead in the water supply
C. A study is going underway
D. to determine the exact concentration

Answer

C

Explanation

या तो going on होगा या underway होगा।