In an Edgeworth Production Box Diagram,if Two Isoquants Intersect,it Means

Multiple Choice

In an Edgeworth production box diagram,if two isoquants intersect,it means that:

A) the well-being of the two consumers can be improved without changing the output of either good.
B) the marginal rate of substitution between consumers does not equal the marginal rate of technical substitution.
C) by allocating inputs differently between firms,output can be increased at no additional cost.
D) consumers are not facing the same output price ratio.