The $\mathrm{H}-\mathrm{C}-\mathrm{H}$ Bond Angles in Ethylene $\mathrm{C}_{2} \mathrm{H}_{4}$ , Are Closest to
A)

The $\mathrm{H}-\mathrm{C}-\mathrm{H}$ bond angles in ethylene, $\mathrm{C}_{2} \mathrm{H}_{4}$ , are closest to

A) $90^{\circ}$ .
B) $109.5^{\circ}$ .
C) $120^{\circ}$ .
D) $180^{\circ}$ .