thE ArtiClE is mAinly ABout______.
A．thE psyChology oF monEy-spEnDing hABits
B．thE purChAsing hABits oF CompulsivE spEnDErs
C．A spECiAl psyChology oF BArgAin hunting
D．thE usE oF thE psyChology oF spEnDing hABits in BusinEss