---- Mom , I was the first to reach the top of the mountain .

--- Good job, Jack! I 'm ______ of you.

A．careful.

B．proud.

C． tired

D．afraid.

思维灵活、行动敏捷、对环境适应力强，但缺乏耐心、稳定性差的气质类型是

A．胆汁质

B．多血质

C．粘液质

D．抑郁质