Which of These Alkyl Halide Syntheses Is Predicted to Occur $\rightarrow$

Which of these alkyl halide syntheses is predicted to occur at the greatest rate?

A) CH₃CH₂CH₂CH₂OH + HI $\rightarrow$
B) (CH₃) ₂CHCH₂OH + HBr $\rightarrow$
C) CH₃CHOHCH₂CH₃ + HCl $\rightarrow$
D) CH₃CHOHCH₂CH₃ + HBr $\rightarrow$
E) (CH₃) ₃COH + HI $\rightarrow$