Which of the following choices best explain what the underlined “which” in the following sentence refers to?
I accidentally fell into the company of half a dozen gentlemen, who were engaged in a warm dispute about some political affair; the decision of which, as they were equally divided in their sentiments, they thought proper to refer to me, which naturally drew me in for a share of the conversation.
A、 The gentlemen.
B、 The political affair.
C、 The dispute.
D、 The gentlemen’s sentiments.