In the following questions, out of the four alternatives, select the alternative which will improve the brackcted part of the sentence. In case no Improvement is needed, select "no Improvement
Someone must (being) killed

Options

A. have been
B. has been
C. been
D. No Improvement

Answer

A

Explanation

Here, Passive Voice should be used as doer is silent. Hence, have been is the right usage.