A teacher must seat six students in two rows of three seats each.

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A teacher must seat six students in two rows of three seats each. If the one troublesome student must sit in the front row, and the others may sit in either row, how many possible seating arrangements does the teacher have to choose from?

A、360.0
B、270.0
C、120.0
D、72.0
E、36.0

答案：A

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