My uncle was crippled in middle age in a traffic accident and had to ____________ riding.

A．know clearly about the negative effects of overspending
B．spend more money on food than they would like to
C．buy a house without knowing its true value
D．have no preparation for financial emergencies

A．credit cards are usually used irrationally and illegally
B．Americans enjoy buying what they cannot afford
C．products often don't perform as advertised
D．products are more expensive in the U.S. than anywhere else