[单选题]
13.34: Which one of theybg: moy ls/t1rx+7r 18rjdj) following choices represents the base MKS units for ttp*e7m pwyd-gui9 8k g(m8f6 sound intensi i6mg7f-yppg 9wt8kd8u(mte*ty?
A. $\frac{kg}{s^3}$
B. $\frac{m}{kg\:s^3}$
C. $\frac{m^2}{kg\:s^2}$
D. $\frac{kg}{m\:s^2}$
E. $\frac{s^2}{m\:kg}$
