For the following reaction,select the statement that best describes the change.
$RCH_2OH + PCC [ C_5H_5NH^{+} ClCrO_3^- ] \to$

• A
  The alcohol is oxidized to an acid,and the $Cr(VI)$ is reduced
• B
  The alcohol is oxidized to an aldehyde,and the $Cr(VI)$ is reduced
• C
  The alcohol is reduced to an aldehyde,and the $Cr(III)$ is oxidized
• D
  The alcohol is oxidized to a ketone,and the $Cr(VI)$ is reduced