Rice University's Institutional Review Board is an 11-member panel, with two alternates. It meets approximately nine times each academic year to review projects brought before it. The board's main purpose is to:

A) be sure that each study will have some benefit to society.

B) be sure that the subjects of each study are safe.

C) be sure that each study uses good statistical techniques.

D) be sure that each study is scientifically interesting.