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A teacher measured the heights of nine pupils in a class. The heights of eight pupils was 167cm, 170cm, 167cm, 175cm, 170cm, 172cm, 167cm and 168cm. The total height of the eight pupils was 1356cm. If the mean height of the nine girls was 169cm, what was the median height?
A. 170cm
B. 168cm
C. 167cm
D. 165cm