Identify the type of sequence shown in the table below and select the appropriate response.


N: 1, 2, 3, 4, 5

F(n): 12, -36, 108, -324, 972

Aarithmetic sequence; common difference is -48

Barithmetic sequence; common difference is 144

Cgeometric sequence; common ratio is -3

Dgeometric sequence; common ratio is 3