Suzanne prefers dogs over cats.

is this sentence italic

No, the sentence is not in italics.

No, the sentence you provided is not italicized.

To determine if the sentence should be italicized, we need to consider the context and the style guide you are following. In general, when writing, you can use italics to emphasize a word or phrase, highlight book titles, or indicate foreign words.

However, in this specific sentence, there doesn't seem to be a need to italicize any part of it. It is a simple statement of preference, without any particular emphasis or special meaning attached. Therefore, it is not necessary to italicize the sentence "Suzanne prefers dogs over cats."