From the given sentence, form a feminine noun from the masculine word given:
The palace gates opened as the Prince arrived.
The given sentence would have Option C, princess, as the correct answer.
The sentence mentioned has ‘Prince’ as the male gender noun, which means the offspring of a King. Out of the given options, Option A, King, is a male gender noun, while Option B, Queen, is actually a female gender noun which is a counterpart of King and not prince. Option D, Heiress, is the female gender noun used as a term for the rightful successor to a kingdom.
Option C, Princess, is actually the feminine counterpart to Prince, which has the same meaning as the latter, and is therefore the correct answer.