Directions : Read each sentence to find out whether there is any grammatical…

Directions : Read each sentence to find out whether there is any grammatical or idiomatic error in it. In the following sentences, a part is highlighted in each sentence which is error-free, the error, if any, will be in any other part of the sentence. The letter of that part is the answer. If there is ‘No error’, the answer is (e). (Ignore errors of punctuation, if any).

Q. Scientists has discovered that environmental (A)/ factors play a greater role / than genetic variants in determining (B)/ the height of children (C)/ in low- and middle-income countries (LMICs). (D)