Having two, or even three, people explain the material to you
a. will you understand itperson to
b. will give you too many perspectives
d. will decrease your understanding of the material
having two, or even three, people explain the material to you
c.
will just confuse you. its better to only ask one person to

The answer to the question above would be that having two, or even three people explain the material to you will help you understand it. The fact is that having many people explain the material to you will surely give you many perspectives but, in this way, you can take them into account and then come up with your own idea. If all of them understood the text, their explanations should be similar.  

A

It will help you understand it.