Who among the following can be charged jointly?

CrPC S. 223. What persons may be charged jointly.—The following persons may be charged and tried together, namely:— (a) persons accused of the same offence committed in the course of the same transaction; (b) persons accused of an offence and persons accused of abetment of, or attempt to commit, such offence; (c) persons accused of more than one offence of the same kind, within the meaning of section 219 committed by them jointly within the period of twelve months; (d) persons accused of different offences committed in the course of the same transaction.