Six vectors, $\overrightarrow{a}$ through $\overrightarrow{f}$ have the magnitudes and directions indicated in the figure. Which of the following statements is true?

Question

( A ) $\overrightarrow{d}+\overrightarrow{c} =\overrightarrow{f}$
( B ) $\overrightarrow{b}+\overrightarrow{e} =\overrightarrow{f}$
( C ) $\overrightarrow{d}+\overrightarrow{e} =\overrightarrow{f}$
( D ) $\overrightarrow{b}+\overrightarrow{c} =\overrightarrow{f}$