according to the poem, how does the proud man help the speaker of the poem when he is ' deep depressed'

Sometimes when you read things in your head, you skip overall small details/words. when you read aloud, you hear those words and it’s easier to comprehend what you just read. saying things aloud also you remember them.

This is a complete adjective clause. 

The answer is a. because i believe humans will travel to a new planet hopefully in the future.