Which of the following sentences from Kennedy's address is the best example of logos?
A. Space and related industries are generating new demands in
investment and skilled personnel, and this city and this state, and
this region, will share greatly in this growth.
B. And, therefore, as we set sail we ask God's blessing on the most
hazardous and dangerous and greatest adventure on which man
has ever embarked.
C. I'm the one who is doing all the work, so we just want you to stay
cool for a minute.
D. This is a breathtaking pace, and such a pace cannot help but
create new ills as it dispels old, new ignorance, new problems,
new dangers.