单项选择题

A.Date: Monday; Place: a Shiite Mosque; Casualties: 16 killed, 30 injured.
B.Date: Monday; Place: a house nearby a Shiite Mosque; Casualties: 17 killed, 30 injured.
C.Date: Sunday; Place: unknown; Casualties: 1 killed.
D.Date: Sunday; Place: a Shiite Mosque; Casualties: 17 killed; 30 injure