A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point?
A. 45 min
B. 26 min 18 sec
C. 42 min 36 sec
D. 46 min 12 sec
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