From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: We haven't confirme...

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences:
We haven't confirmed.............signature this is

Answer Details

The correct answer is "whose". The sentence is asking about the ownership of a signature. "Whose" is the possessive form of "who" and is used to indicate ownership.