Which of the following statements about the federal application for student aid (fafsa) is true?
a
you can only apply online.
b
the earliest you can submit your fafsa application is december 1st.
c
the irs data retrieval tool allow's you to view and transfer your tax information directly into your fafsa form.
d
both a & b are true.

C. The IRS Data Retrieval Tool allows you to view and transfer your tax information directly into your FAFSA form.

Explanation:

According to their website, 
A is wrong because you can submit paper applications, the processing just takes a little longer.

B is wrong because the start date for applications is October 1st not December.

C is correct.

D would have to be wrong because both A & B are incorrect.