In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
The butterfly (flutter) its wings, trying desperately to disentangle itself from the web of potential death. (a) fluttering (b) will flutter (c) was fluttering (d) no improvement

Options

A. fluttering
B. will flutter
C. was fluttering
D. no improvement

Answer

A