When I took my dad to the hospital, it was discovered that he had broken his collarbone, which they said would take six weeks to heal.
Who are they? Clearly the doctors or the nurses or the hospital staff. However, none of these nouns are present in the sentence. Choice (D) should be a noun, not a pronoun.
940 MCQ for effective preparation of the test of Nouns and Pronouns of English Grammar section.
Read the MCQ statement: When I took my dad to the hospital, it was discovered that he had broken his collarbone, which they said would take six weeks to heal., keenly and apply the method you have learn through the video lessons for Nouns and Pronouns to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 87-4366.