The De Broglie Wavelength of a Particle Traveling at 1 $\times$

The de Broglie wavelength of a particle traveling at 1% of the speed of light is 33.25 fm.Identify the particle from the following.(1 amu = 1.66054 $\times$ 10^-27 kg)

A) a proton (1.00727 amu)
B) a neutron (1.00866 amu)
C) an electron (0.0005486 amu)
D) a hydrogen atom
E) a helium atom