The correct reaction(s) among the following is/are:

(A) Chlorobenzene $\xrightarrow{\text{conc. } HNO_3/\text{conc. } H_2SO_4}$ 4-nitrochlorobenzene (major)

(B) Chlorobenzene $\xrightarrow{CH_3Cl,\, AlCl_3}$ 4-chlorotoluene (major)

(C) Chlorobenzene $\xrightarrow{CH_3COCl,\, \text{anhyd. } AlCl_3}$ 4-chloroacetophenone (major)