A Patient Antibody Titer Which Shows an Increasing Level of IgM

Multiple Choice

A patient antibody titer which shows an increasing level of IgM but very little IgG would likely indicate that

A) the patient is having an allergic reaction.
B) the patient was vaccinated against this pathogen rather than having the infection.
C) the patient is in the early stages of developing an immune response.
D) the patient has nearly recovered from the infection.
E) the patient is currently a nursing mother.