The members of the board are discussing the problem right now; it will _____ have been solved by the end

of next week.[ ]

A. luckily

B. immediately

C. hopefully

D. undoubtedly

心理活动逐渐系统化，个性初步形成的年龄期是（）

A.婴儿期

B.幼儿前期

C.学龄前期

D.学龄期

E.青春期