[单选题]
If the accuracy in measuring the position ofqpoa m 2x xpai j56v.:97mpnbtq.1z /n )lmwu+74v.9 era9g gz kxswnu xxo6t+(de3;v a particle increases, the accuracy in measuring its velocityvatwevgr(d9 xo s6. e4z93+x ng7;xku will
A. increase.
B. decrease.
C. remain the same.
D. be uncertain.
