The answer is A: request.
To request means to ask, usually, though not necessarily, in a polite way for something, commonly a favor with which one needs assistance or help.
Again, though it is not necessarily always the case, the action of requesting is often accompanied by humility and gratitude on the side of the person asking for something, and it is accompanied by satisfaction on the side of the one who is being asked.
Answer: c
Explanation:
a. It saddens Mr. Button.
b. It embarrasses Mr. Button.
c. It angers Mr. Button.
d. It puzzles Mr. Button.
