Consider the graph below:

Determine the points at which the slope of the curve is negative.

• A. $\text{A}$, $\text{B}$ and $\text{D}$
• B. $\text{B}$ and $\text{C}$
• C. $\text{A}$ and $\text{D}$
• D. $\text{B}$, $\text{C}$ and $\text{D}$

Answer: (B)