What does the underlined word “cheer” (Para. 1) imply?

A. Imaginative men are sure of success in finding life on other planets.

B. Imaginative men are delighted to find life on other planets.

C. Imaginative men are happy to find a different kind of life existing on other planets.

D. Imaginative men can be pleased with the idea that there might exist different forms of life on other planets.