At ____, the standard reduction potential for electrode is ____. Given: take the reduction potential at ____ for the above couple is ____. The value of ____ is ___________.
A. Standard temperature; E⁰; standard pressure; E⁰; E⁰
B. Room temperature; E⁰; standard pressure; E⁰; E⁰
C. Standard temperature; E⁰; standard pressure; E⁰; standard temperature
D. Room temperature; E⁰ standard pressure; E⁰; standard temperature