पुरुषवाचक सर्वनाम

उत्तर: (A) a,c — पुरुषवाचक सर्वनाम: मैं(1st person) in sentence a, and मैंने/आपसे/वह in sentence c. In b,d 'आप' is used as self-referential (निजवाचक).