During a genetic counseling session, a 27yearold woman is informed that she has a BRCA1 gene mutation. The woman does not seem distressed. She asks detailed questions about the molecular nature of the mutation, the cancer risks associated with the BRCA1 mutation, and the medical management options. She uses correct genetic and medical terminology such as "autosomal dominant Mendelian inheritance," "protein truncation," and "stop codon." This patient appears to be coping with the genetic test results using which of the following defense mechanisms?
A. Denial
B. Intellectualization
C. Projection
D. Reaction formation