Which of the Following Sequences Is Not a Geometric Sequence $1,-3,9,-27, \ldots$

Multiple Choice

Which of the following sequences is not a geometric sequence?

A) $1,-3,9,-27, \ldots$
B) $1,2,4,7,11, \ldots$
C) $6,60,600,6000$
D) $4, \frac{4}{3}, \frac{4}{9}, \frac{4}{27}, \ldots$