For a square matrix $A$,if $A = B + \frac{C}{2}$,where $B$ is a skew-symmetric matrix and $C$ is a symmetric matrix,then $C = $ . . . . . . .

  • A
    $A + A^{\prime}$
  • B
    $\frac{A + A^{\prime}}{2}$
  • C
    $A - A^{\prime}$
  • D
    $\frac{A - A^{\prime}}{2}$

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