$(1$ point$)$ Let $f(x)f(x)?$:

$a,{\displaystyle \underset{-e}{\overset{e}{}}}f(x)sin(x)dx=2{\displaystyle \underset{0}{\overset{e}{}}}f(x)sin(x)dx$;

$b,{\displaystyle \underset{-e}{\overset{e}{}}}f(x)sin(x)dx=-20$;

$c,{\displaystyle \underset{-e}{\overset{e}{}}}f(x)sin(x)dx=0$;

$d,{\displaystyle \underset{-e}{\overset{e}{}}}f(x)sin(x)dx=100.$