Answer: A) Content.
Step-by-step explanation: an analogy is a comparison between one thing and another, usually with the purpose of explanation or clarification, this comparison is based on one similarity or difference between specific features of two things. The first pair of words "liberal" and "conservative" are antonyms, from the given options, the one that mantains that same relationship (antonyms) with the word "ambitious" is the corresponding to option A: content.