Which of the following statements is true about the u. s. senate?
a. its members have six-year terms, with one-third of the total members up for re-election every two years.
b. its members have six-year terms, with the majority of its members facing re-election every four years.
c. its members have two-year terms, with one-third of the total members up for re-election every two years.
d. its members have two-year terms, with the majority of its members facing re-election every four years.