Let $f: R \rightarrow R$ be defined by $f(x)=\left\{\begin{array}{cc}x+2, & x \leq-1 \\ x^2, & -1 < x < 1 \\ 2-x, & x \geq 1\end{array}\right.$ Then the value of $f(-1.75)+f(0.5)+f(1.5)$ is

• A

  $0$
• Correct answer
  B

  $1$
• C

  $2$
• D

  $-1$

Hence, the correct answer is option: 'B'.