你是我在意的人吗？

Are you the one (that) I care ahout?
that 可要可不要

Are you the one I care about？

are you the one? 这句最地道

有很多理解，可以是在意，在乎，也可以理解为你是我的唯一

用care不够地道，比较土。

Are you a person whom I care about you?

Are you the one who i care about?

Are you the person I care about ?