Which of the Following Is True of Alcohols

Which of the following is true of alcohols?

A) Their individual O-H bond dipoles cancel one another because of the electronegative oxygen atom.
B) They have lower boiling points than alkanes or alkenes of comparable molecular mass.
C) They are usually prepared by an electrophilic substitution reaction of an alkyl halide using hydroxide.
D) They are considered to be more acidic than phenols due to the presence an -OH functional group
E) They are weaker acids than water.