I think it should be main idea.
My father studied about the Nile River with proessor Waleed D. Najaar at Smithtown University
the awnser probably suports:
A) The physiologies of humans and some animals are very similar, so the reactions of these creatures to certain medications are the most reliable guide to the possible reactions of human patients.
The argument Minow makes in his speech is about
The nation's children depend on television to entertain and educate them.
