Easy short question but idk !

a student is revising the sentence below:
my intent is simply to amuse the audience, to give them some joy to remember later in their dreary week.

based on the context of this sentence, which would be the best synonym for amuse?

a) distract—to turn aside or away from; sidetrack
b) engage—to hold the attention of; engross
c) entertain—to provide entertainment for; divert
d) —to satisfy, gratify, or make content

the answer is:

in the fourth paragraph. ( the paragraph that begins with “on friday of my third ”).

hope it !

i decided to stay late in the laboratory to continue my experiment with the lightbulb. at midnight, thomas edison opened the door and saw all the stuff he was working on. the lightbulb, film and the transmitter. as he walks in an idea hits him on how the lightbulb would work. he would have to change a few wires around to get it to light up. when he did change the wires around it worked so he decided to write a telegraph to his friend to tell him about his success.   as he was packing up he grabbed the telegraph and walked to his home. he told his wife about the success and the next morning mailed the telegraph.