Luckily,we'd brought a road map without ______ we would have lost our way.  [ ]

A. it            

B. that            

C. this            

D. which

按照埃里克森的人格发展阶段理论，成年前各阶段面临的发展任务有( )。

A．自主感对羞愧感

B．勤奋感对自卑感

C．亲密感对孤独感

D．自我同一性对角色混乱