【单选题】

Enlightenment thinkers ------- faith in the abilities of mankind to uncover and solve pressing problems of the time, and thus they believe that human beings are ------- creatures, capable of employing reason and logic.
A．(A) readdress... mercurial

B．(B) posit ... duplicitous
C．(C) maintain... rational
D．(D) absorb... Jovian
E．(E) hold... purist