Things had seemed to improve since the preparation for the expedition started , and Stephen had seemed to bounce back from his dark moods . Connor had been relieved not to have to press the issue . The human 's train of thought was interrupted as Roger landed next to him , grinning .

Q with options: Give answer the following question using evidence from the above passage: what may happen if there were no expedition planned ?
Available options: (A). None of the above choices .. (B). Stephen would undergo personality crisis. (C). Stephen would maintain his melancholy. (D). It would cause thinking impairment for Connor.
(C).