[单选题]
A fast spaceship is traveling wit-,pnbz/ vi, mwf ;tj/nh a spee,f shs4g)k 6xe ,pk4hdd of 0.80c. How fast would light travel from the headlights of the ship relatih6s4,hk,gsx 4d fe) kpve to a stationary observer?
A. $0.20 \; c$
B. $0.80 \; c$
C. $1.0 \; c$
D. $1.8 \; c$