请nn们指点

usamsy

He refused to develop projection technology,reasoning that if he made and sold projectors ,then exhibitors would purchase only one machine--a projector--from him ,instead of several.

请问，这里的reasoning是不是因为做一种伴随状态所以才用动名词的形式呢？请nn们指点。

[此贴子已经被作者于2008-2-27 0:34:19编辑过]