Since many people is plural, so there isn't only one person, but many of them, the verb also has to be plural. So, the correct answer is A) have.
Answer:
The answer is A. Extraordinary
In this sentence :
"You also learn what it takes to make money: a lot of effort.”
The main verb is "learn". The verb Takes is also a verb but since it is within the next clause and it is the verb of the Cataphoric refrence "it" such verb cannot be considered the main verb of the sentence.
So your final aswer is Learn.
Elimination
short works should be in quotation marks but longer ones should be in italics
they should not be underlined
they should not have a period
it shold not be brief, you should not shorten a title since you didn't write the book.
answer is A
