Question

Over the recent years, alcoholism __________ a leading cause for death.
a) becomes
b) became

c) was becoming
d) has become

Answer 1

Answer:

became

hope this will help you

Answer 2

Answer:

d) has become

Explanation:

As this sentence is in present perfect tense, the verb will follow has/have. Here the subject is singular so 'has' will be used in this case. Hope you find it helpful :)