[单选题]
A long straight wire carries current toward th-g5)gt8s5 :-ws vvtczh2 uwln e east. A proton mz 5,ye qkch6dadp3lwo43qd6xrm r0 (6 oves toward the east along6rld3r5 6cp6e o3hka,z ddqxy( m04wq side and just south of the wire. What is the direction of the force on the proton?
