The answer is C),
Why? Well, as Atticus said, killing a mockingbird is a sin, as they cause no harm and just sing harmonies.
Explanation:
it could be either. it depends on how you want to interpret it. going strictly by the grammar (because of the Can), it would be interrogative. but going by the intended meaning, it could be seen as imperative (a nicely worded order). are you looking at syntax or semantics?
You could say:
Drug use is bad for society because it ups the poverty rate, increases crime, and causes many people to overdose.
