One of the methods of introducing foreign genes into a plant is to make use of certain

soil bacteria to infect the plant and transfer several of blue genes to the infected plant

cells, _____ in high rate of plant cell pision.

A．results

B．resulting

C．to result

D．resulted

长期生活在干旱环境中的植物，其形态方面会出现一系列的适应性特征．下列叙述与干旱环境中的植物特征不符的是（　　）

A．具有发达的根系

B．具有肥厚的肉质茎

C．具有厚的角质层

D．叶面积大