28. before a bill is approved
a. committee holds hearings to gather information
b. committee members may revise the bill.
c. the committee makes a recommendation for or against the bill.
d. all of the above

D. All of the above

Explanation:

First, the committee will ask executive agencies for what they think on the bill. Second, they will hold hearings to gather information, usually by non-committee experts. Third, the committee will get together to perfect the bill through amendments, while getting non-committee members' influence. Lastly, when everything is agreeable, they will send it to the Senate to check it out, usually with a written report to help understand its importance.

sorry

i do knot know this

i think the answer is a and i hope this ; ))