问题

What’s your first impression ________ Mrs Wang? —She looks seriousI think she’ll be strict _____ us _______her own work.[ ]
A: on; in; with
B: on; with; with
C: of; with; in
D: of; in; in
B: on; with; with
C: of; with; in
D: of; in; in
正确答案是: