[单选题]
If the accuracy in measuring the pi)a2v8rr *cme;d5s8 ( yltflkosition of a particle zxny evqri1+n ,8jf0ed3 qy*2p0bc;yincreases, the accuracy in measuring its velocity i0qyn *0j3xy +pb1f 8rc,yn eqzedv;2will
A. increase.
B. decrease.
C. remain the same.
D. be uncertain.
