The correct answer is "The baby seemed content listening to the soothing music". Because in the given example and the correct answer, "content" is used as an adjective, meaning happy, whereas in the remaining examples it is used as a noun content, meaning capacity.
Answer:
It could be 2 but not sure with my answer
Millie as millie means million!
C<span>) That's what the City Council has found in its budget, and its turning into a big problem because each branch of our city services wants to have it for its own</span>