Which of the Following About Freelancing Is Correct

Which of the following about freelancing is correct?

A) Freelancing allows independent contractors to move from one temporary job to the next without benefits.
B) In a nation of 150 million workers about 30 million people consider themselves freelancers and half of them work at least 15 hours a week.
C) Freelancing allows workers flexibility, autonomy, and the opportunity to seek a better economic future.
D) About half of freelancers earn less than $25,000 annually.