[单选题]
An average human has a heart rate of 70 beats per minute. I-+i;c:bnd - ws4iuo au5 aw; ab-m8baag3jq:0. itko *rd8 emyf someone's heart beats at that average rate over a 70-8qb: dwak -j3re;a ommt5 8abgi0y. *ayr lifetime, how many times would it beat?
A. $7 \times 10^5$
B. $2 \times 10^{6}$
C. $2 \times 10^{7}$
D. $3 \times 10^{9}$
