A Multistep Preparation of Propylpropanoate from Only 1-Propanol Would Require

A multistep preparation of propylpropanoate from only 1-propanol would require the use of how many of the reagents below (i.e.,what reagents would you need to use if you only had 1-propanol to start with) ?

A) Two of the above.
B) Three of the above.
C) Four of the above.
D) All of the above.
E) The preparation cannot be done with only these reagents.