[单选题]
The closest star to our i:hk9 gb1;z :)kgfu8yo*a ish solar system is Alpha Cczdp yn 357sd+wfgj76entauri, 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 woz3c7n d g7d56+fwsyj puld elapse on a clock on board the spaceship?
A. $3.23 \; y$
B. $4.40 \; y$
C. $5.15 \; y$
D. $5.38 \; y$
Post time 2024-1-14 16:03:04