[单选题]
If you were to measure 6. domk(enm6 4c kt,ukum*;zsqd v7t6 your pulse rate while in a spaceship moving away from the Sun at a speed close to the speed of light, 7*z;dsv mt qu6you would find that it was
A. much faster than normal.
B. much slower than normal.
C. the same as it was here on Earth.
