The given answer "elle porte" is the correct form of the verb "porter" in the third person singular form in French. It means "she wears" or "she carries" in English. The verb "porter" is conjugated as "je porte" (I wear), "tu portes" (you wear), "il/elle/on porte" (he/she/one wears), "nous portons" (we wear), "vous portez" (you wear), and "ils/elles portent" (they wear). In this case, "elle porte" is the correct form for the subject "elle" (she).