Which Combination(s) of Alkyl Bromide and Epoxide Can Be Used

Multiple Choice

Which combination(s) of alkyl bromide and epoxide can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the epoxide?

A) only 1
B) only 2
C) only 1 and 3
D) only 2 and 4