Nepal.
a. come
b. came
c. comes
d. coming

A is the correct answer

But it also could be B

Explanation:

They come from Nepal.

They came form Nepal.

Both are correct but the first is in present and the 2nd is in past.

the most ethic and honorable thing for the newspaper to do are:

be completely transparent in reporting about the company’s attempt to trade favors.

contact other construction companies to tell them about the situation.

these two options are the most ethic because both promote the market fair course, by telling the other competitors about the company attempt to get ahead in the market by trading favors, the market is guaranteed equality and justice in the trading of goods and services.

often a noun phrase is just a noun or a pronoun:

people like to have money.

i am tired.

it is getting late.