\begin { gather* } a, ar, ar^2, ar^3,...\end { gather* } In the sequence above, the first term is \(a\) and each term after the first is obtained by multiplying the preceding term by \(r\). If the third and fifth terms in sequence are 2 and 8, what is the value of the 7th term?
(A)16 (B)24 (C)32 (D)48 (E)96
C