[单选题]
A fast spaceship is traveling with a speed of 0.80c. How fast would lighe6re m (w2r8syj)3h nyt trowj r v;ksmd871t o//y3ofz p8avel from the hea; 78f r/ws 8/tjyk o3p1vomzdodlights of the ship relative to a stationary observer?
A. $0.20 \; c$
B. $0.80 \; c$
C. $1.0 \; c$
D. $1.8 \; c$
