[单选题]
The closest star to our4* gllq2cwfhua 5l0b: 0jotg7h/ ou/vsolar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the star. How much time would elapse on a clock on o7 /ogvht 0/juthe Earth?
A. $3.23 \; y$
B. $4.40 \; y$
C. $5.15 \; y$
D. $5.38 \; y$