What is the meaning of the phrase "obscure mediocrity" as used in the following sentence?
Elected to the Senate in Wisconsin in 1946, he approached his re-
election still an obscure mediocrity without any important issue or
achievement on which to base his campaign.
(A)
(8)
(C)
(D)
ambiguous and unprepared
complex and undisciplined
inconspicuous and unqualified
unknown and unaccomplished