According to this, the answer is A.
Basically twice means 2 in these sentence twice means more than he earn in short words he wants to say that he wants to earn more than he is earning now
for example someone is earning $500 every month so he want to earn $1000 every month
The woman takes her jacket off and hangs it up in her closet
When Bostein clearly stated that ' the rules of high school turn out not to be the rules of life ' he apparently meant that the social-scale in a stereotypical high school is considered fake and has no purpose whatsoever in the outside world. Meaning that appearance and athletic status will not apply or be necessary to any sort of work in the 'real world'.