Need help writing my report never done this before

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

What are 3 reasons that natural selection occurs