In “25 Years Later, Hubble Sees Beyond Troubled Start,” what effect did the explosion of the Columbia space shuttle have on the Hubble Space Telescope?

a. The explosion of the Columbia space shuttle blew up the Hubble Space
telescope as well, badly damaging it.
b. The explosion of the Columbia space shuttle made NASA think it was
too risky to send astronauts to service the Hubble.
c. The explosion of the Columbia space shuttle took all the funding away
from the Hubble Space Telescope project.
d. The explosion of the Columbia space shuttle resulted in many people
who supported the Hubble Space Telescope getting fired.