Concerning the Logic Gate Pictured in Figure 3 Above, Which

Multiple Choice

Concerning the logic gate pictured in Figure 3 above, which condition would produce binary "one" for "C" (the output) ?

A) "A" is a "zero" and "B" is a "one"
B) "A" is a "one" and "B" is a "zero"
C) "A" and "B" are both "ones"
D) All of the above