Which of the Following Synthetic Procedures Would Be Employed Most $\circ$

Which of the following synthetic procedures would be employed most effectively to transform ethanol into ethyl propyl ether?

A) Ethanol + HBr,then Mg/ether,then H₃O⁺,then NaH,then CH₃CH₂Br
B) Ethanol + HBr,then Mg/ether,then HCHO,then H₃O⁺,then NaH,then CH₃CH₂Br
C) Ethanol + CH₃CH₂CH₂OH + H₂SO₄/140 ^$\circ$ C
D) Ethanol + NaH,then HCHO,then H₃O⁺,then HBr,then Mg/ether,then CH₃CH₂CH₂Br
E) Ethanol + H₂SO₄/180 °C,then CH₃CH₂CH₂Br