The Following Figure Shows the Graph Of $f(x)$ And the Graphs of Several Multiples Of

Multiple Choice

The following figure shows the graph of $f(x)$ and the graphs of several multiples of $f(x)$ .

Suppose that
$A$ is the graph of $y=a \cdot f(x)$ ,
$B$ is the graph of $y=b \cdot f(x)$ ,
$C$ is the graph of $y=c \cdot f(x)$ ,
$D$ is the graph of $y=d \cdot f(x)$ .
Which of the following statements are true?

A) $c<0$
B)
C) $d<1$