[单选题]
An average human has a heart rate of 70 beats per minute. If som +b m,2; pk9zigeeytu:eonj/t 2mx*d l.5msss.z6gty rdz6 1a u:ee's heart beats at that average rate over a 70m sayd jmzu 1z6s/x5g2* 6 rde.s.l:tt-yr lifetime, how many times would it beat?
A. $7 \times 10^5$
B. $2 \times 10^{6}$
C. $2 \times 10^{7}$
D. $3 \times 10^{9}$
