All Mark Twain's masterworks drew upon the scenes and（ ）of his b

All Mark Twain's masterworks drew upon the scenes and（ ）of his boyhood and youth.
A、sadness
B、love
C、happiness
D、emotions
【正确答案】：D
【题目解析】：马克吐温的所有杰作都借鉴了他童年和青年时代的场景和情感。