Why Is Europa Considered a Good Candidate for the Possible

Multiple Choice

Why is Europa considered a good candidate for the possible existence of life?

A) It has a thick atmosphere with a surface pressure greater than that on Earth.
B) It is located within our Sun's habitable zone.
C) The Galileo spacecraft found strange seasonal changes on its surface that look like they could be due to life.
D) Strong evidence suggests that it has a deep, subsurface ocean of liquid water.