单项选择题

[ * ]  A four hole pattern has size limits of Φ10.7-11.0 and a position tolerance to a datum reference frame of Φ0.3 at MMC. Its mating pin pattern has size limits of Φ9.7-10.0,and its positioned to a representative set of datums. How much position tolerance is available for the pins within the pin pattern at MMC?

A.Φ0.7
B.Φ1.0
C.Φ0.5
D.Φ0.4
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