Which of the Following Could Be Used to Synthesize 1-Bromobutane $\rightarrow$

Which of the following could be used to synthesize 1-bromobutane efficiently?

A) CH₃CH₂CH=CH₂ + HBr $\rightarrow$
B) CH₃CH₂CH₂CH₂OH + PBr₃ $\rightarrow$
C) CH₃CH₂CH₂(OH) CH₃ + HBr $\rightarrow$
D) CH₃CH₂CH₂CH₂OH + Br₂ $\rightarrow$
E) None of these