\textbf{Research indicates that the standard deviation of typical human body temperature is 0.4 degree Celsius (C). which of the following represents the standard deviation of typical human body temperature in degrees Fahrenheit (F), where $$F=\frac{9}{5}C+32$$?} 
选项为:A:$$\frac{9}{5}(0.4)+32$$  B:$$\frac{9}{5}(0.4)$$  C:$$\frac{9}{5}(0.4)^{2}$$  D:$$\frac{9}{5}^{2}(0.4)$$  E:$$\frac{9}{5}^{2}(0.4)^{2}$$  请回答其中一个选项.