Buying fair trade products benefits farmers, producers, and the system. Which detail best supports this main idea? "The farmer sees profit, which causes more farmers to get certified." "Fair Trade for All -- is to give benefits to more farmers and workers, to invest in co-ops and make farming communities stronger, and to engage more consumers in the fair trade business. "The more Fair Trade USA products sold, the more producers receive the benefits of the fair trade system, and the stronger the system." "Farmers need to work for other companies for lower wages."

i feel like it is actually b.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

answer: honestly, me too dude. i feel that.

explanation:

yes tht is good is it a promisis