Some Americans try to make themselves feel less guilty by attributing the poverty of the working people to______.

A．At least once a month.
B．At least twice a month.
C．At least once a year.
D．At least twice a year.

A．Check to see if it can still be fixed for free.
B．Check to see what the problem is.
C．Find where they have put the warranty.
D．See if Mike is available.