This question is based on the following four sentences.

1. Netta and Jim argued over their views of free trade.

2. Netta and Jim had different views on free trade.

3. Netta and Jim were sharply split over the issue of free trade.

4. Netta and Jim refused to discuss the issue of free trade.

In these four sentences, the word that's most obviously a loaded word is

A. discuss.

B. different.

C. sharply.

D. refused.