题目信息
Departments A, B, and C have 10 employees each, and department D has 20 employees. Departments A, B, C, and D have no employees in common. A task force is to be formed by selecting 1 employee from each of departments A, B, and C and 2 employees from department D. How many different task forces are possible?
A:19,000
B:40,000
C:100,000
D:190,000
E:400,000
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正确答案：
D:190,000
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