Because Carlos is a masculine name, I would use the word <em>el </em> to talk about him.
Answer:
A) sé
Explanation:
Yo sé donde vive.
I know where you live.
Both conozco and sé mean know but they are different. Conozco means to know someone, sé means to know something. In this case, you want to know something so sé applies to this sentence.
The answer is “c” which is “no me gustan las matematicas “