[单选题]
A fast spaceship is trk,bq;rr6zo0lf2 aps 1 l0 o6fsbbw2k 8aveling with a speed of 0.80c. How fast would light travel from the head 2l8fwb06sbko lights of the ship relative to a stationary observer?
A. $0.20 \; c$
B. $0.80 \; c$
C. $1.0 \; c$
D. $1.8 \; c$