If You See Al Going to Your Left at Exactly

Multiple Choice

If you see Al going to your left at exactly 0.99c and Bob going to your right at exactly 0.99c,Al will say that Bob is

A) going away from her at 1.98c.
B) going away from her at exactly 0.99c.
C) going away from her at exactly c.
D) going away from her at about 0.98c.
E) going away from her faster than 0.99c,but slower than c.