Select the alternative that will improve the underlined part of the sentence. In case there is no improvement select“No improvement”.The manager could not able to understand the problem the factory workers faced.

Select the alternative that will improve the underlined part of the se

1.	Select the alternative that will improve the underlined part of the sentence. In case there is no improvement select“No improvement”.The manager could not able to understand the problem the factory workers faced.
A.	No improvement
B.	could not to
C.	was not able to
D.	never able to
Answer» D. never able to