When you long for life without difficulties, _____ yourselves that trees grow strong in contrary winds and diamonds are made under pressure.

A．to remind

B．remind

C．reminding

D．reminded

影响工程项目质量目标的关键阶段是( )。

A．可行性研究阶段

B．项目决策阶段

C．项目设计阶段

D．施工阶段