Which of the following bromides can be converted into its Grignard reagent with magnesium in dry ether without any protecting group?

1. A4-bromophenol ($p\text{-}\mathrm{HO}-\mathrm{C}{}_6\mathrm{H}{}_4-\mathrm{Br}$)
2. B4-bromobenzoic acid ($p\text{-}\mathrm{HOOC}-\mathrm{C}{}_6\mathrm{H}{}_4-\mathrm{Br}$)
3. C4-bromobenzaldehyde ($p\text{-}\mathrm{OHC}-\mathrm{C}{}_6\mathrm{H}{}_4-\mathrm{Br}$)
4. D4-bromoanisole ($p\text{-}\mathrm{CH}{}_3\mathrm{O}-\mathrm{C}{}_6\mathrm{H}{}_4-\mathrm{Br}$)