The proportion of adults who own a cell phone in a large Canadian city is believed to be 65%. Thirty adults are to be selected at random from this city. Let $X$ be the number in the sample who own a cell phone. Under the assumptions given, the distribution of $X$ is

A. $N(19.5,10.5)$
B. $Bin(30,19.5)$
C. $Bin(30,0.65)$
D. $N(30,10.5)$