[单选题]
An average human has a heart rate of 70 beats per minute. If someont4(k (v w4n1emcx.:9zwmzgl+oau v r9e's hea)o6xg,h f/vj* tr2x1lneq aq (rt beats at that average rate over a 70-yr lifetime, r/12 hf jqe)txnogv*(,6alxq how many times would it beat?
A. $7 \times 10^5$
B. $2 \times 10^{6}$
C. $2 \times 10^{7}$
D. $3 \times 10^{9}$
