在整铸支架的组成部分中，连接人工牙的部分是
A．支托
B．大连接体
C．小连接体
D．网状连接体
E．邻面板
参考答案：D
His efforts to raise money for his program were _______ because no one showed any intention to take a cent out of their pockets.
A．in place
B．in vain
C．in effect
D．in sight
