Read the following excerpt from President John F. Kennedy's "We Choose to Go to the Moon" speech. Then, answer the question that follows.

And finally, the space effort itself, while still in its infancy, has already created a great number of new companies, and tens of thousands of new jobs.

Which rhetorical device does Kennedy use to support his argument?

a) Antithesis: he is contrasting space with babies

b) Figurative language: he is using personification to explain the newness of the idea of space exploration

c) Irony: he is saying the opposite of what he means about infancy

d) Rhetorical question: he issues a statement about space in the form of a question

- Antithesis: he is contrasting the space effort being in its infancy with the large number of new companies and jobs it has created.