[单选题]
A fast spaceship is travdp3s: ud3/ncgdag *,95/t kbgsj j: wxeling with a spee 0x2 gzu k0o7gq9zj,42l:quoybcwob0zy:l e 7 d of 0.80c. How fast would light travel from thx l q ckz b29ozlqzu:00w7y4yj2u7o,0: eggobe headlights of the ship relative to a stationary observer?
A. $0.20 \; c$
B. $0.80 \; c$
C. $1.0 \; c$
D. $1.8 \; c$
