Suppose the Production of a Good Results in Negative Externalities

Suppose the production of a good results in negative externalities. If society produces the output consistent with the intersection of the demand curve and the marginal private cost curve, then

A) the socially optimal level of output will be produced.
B) society will incur a net social cost.
C) society will want more output produced, and producers will be willing to satisfy this desire at a price that society deems acceptable.
D) all of the above
E) There is not enough information to answer this question.