[单选题]
The closest star to our solar system is Alpha Centauri, which is 4r(ab xgo: 1uu).30 lighxjes* 31df d6et years away. A spaceship with a constant speed of 0.800c relative to the Eax6*e fd31j dserth travels toward the star. How much time would elapse on a clock on the Earth?
A. $3.23 \; y$
B. $4.40 \; y$
C. $5.15 \; y$
D. $5.38 \; y$
