A Deuteron,with the Same Charge but Twice the Mass of a Proton,moves

Multiple Choice

A deuteron,with the same charge but twice the mass of a proton,moves with a speed of 1.7 × 10⁵ m/s perpendicular to a uniform magnetic field of 0.36 T.Which of the paths described below would it follow? (q_p = 1.6 × 10−¹⁹ C and m_d = 3.34 × 10−²⁷ kg)

A) a straight line path
B) a circular path of 2.5 cm radius
C) a circular path of 1.0 cm radius
D) a circular path of 0.09 cm radius
E) ​a circular path of 0.87 cm radius