In Figure below, particle A moves along the line y= 30 m with a constant velocity of magnitude 3.0 m/s and parallel to the x axis. At the instant particle
选项：

A:passes the y axis, particle
B:leaves the origin with a zero initial speed and a constant acceleration of magnitude 0.40 m/s2.What angle between and the positive direction of the y axis would result in a collision?
A:
B:
C:
D: