5. What objection does Kennedy try to refute with his three examples?

A. Space research is a partisan issue.

B. The benefits of space research will take too long to realize.

C. The important discoveries in space have already been made.

D. Space research competes for resources that are needed here on earth.

D. Space research competes for resources that are needed here on earth.

Explanation:

Kennedy said that the research funding for the space programs could be used to fund other necessary things on Earth. The space programs consume a lot of government revenue and it also affects the funding of other necessary aspects such as healthcare and agriculture. Based on the statement made by Kennedy, the correct answer is option D.