We are providing the reason for the action 'why countries found ...' hence it should be because of and not due to
due to only modifies noun
Narrows down to A and E
a specific time in 2000 the cases were reported hence reporting is wrong form used in E ( avoid the parallelism trap reporting & spreading)
A is the ans .
due to only modifies noun
Narrows down to A and E
a specific time in 2000 the cases were reported hence reporting is wrong form used in E ( avoid the parallelism trap reporting & spreading)
A is the ans .
