Answer:
A, it makes the most sense
Explanation:
it expresses the paragraph as it guides the reader into what their about to read.
40. After spurring U.S. efforts to build an atomic bomb, Einstein worked to eliminate the arms race as a cause of war.
41. When you evaluate, combine, and restate information from many readings, you are
synthesizing.
I would say “the author build suspense by using a series of analogies.”
However I’m not 100% sure that this is correct.
Wish you luck :)