One hundred fifty dollars
If you read each of these, or speak them, there is only one that suits the sentence correctly.
Go with the third one. Couldn't seems to fit pretty well there.
Compare to something you read in this unit such as "Two kinds" or more...
Answer: D) Our car is powerful, affordable, and reliable.
Explanation: parallelism or parallel structure is a literary device that consists in the repetition of the grammatical structure of different words or phrases in a sentence or paragraph, in order to emphasize an idea or to create an impact in the audience. From the given options, the one that uses parallel structure is the corresponding to option D, because it uses the same kind of words (adjectives) in the listed elements (powerful, affordable, and reliable).