Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select No improvement. Biologists believe that increased human activity means an accelerated rate of change in habitat for all creatures of the world. (a) No improvement (b) Human activity meant a accelerated rate in change (c) Human activity mean an accelerated rate from change (d) Human activity is meaning an accelerated rate of change

Options

A. No improvement
B. Human activity meant a accelerated rate in change
C. Human activity mean an accelerated rate from change
D. Human activity is meaning an accelerated rate of change

Answer

A

Explanation

No improvement, as the sentence isgrammatically correct.