In each sentence, four words are highlighted, which may or may not be correctly placed. Choose the correct replacement within the highlighted words so...
Question
In each sentence, four words are highlighted, which may or may not be correctly placed. Choose the correct replacement within the highlighted words so that the sentence thus formed will be grammatically and logically correct.
The period (A) study showed a/an predominance (B) of the Omicron BA.2 variant outcompeting (C) the BA.1 over a/an current (D) in eastern Uttar Pradesh.