[单选题]
If you were to measure your pulse rate while in a spaceship moving awallb +t4fqp7z4 y from tkr4tvd0xftp +j cs,(1he Sun at a speed closk,s0 pjr +1txdc( 4vtfe to the speed of light, you would find that it was
A. much faster than normal.
B. much slower than normal.
C. the same as it was here on Earth.
