A murder would most likely occur _________.

A．Because the author is surprised that so many people marry in summer.
B．Because the author is surprised that the marriage peak occurs in the same month as the suicides and mental hospital peak.
C．Because the author doesn't understand why the peak for suicides and marriage is in the same month.
D．Because this is the focus of the author's research which he wants to call our attention to.

A．why different kinds of crime seem to occur in different patterns
B．the difference between intellectual seasonal cycles and criminal tendencies
C．all kinds of crimes in different months throughout the whole year
D．how the seasons affect criminal and intellectual behavior