Martha, recently widowed, is a young working mother who remains stressed for a major part of the day. Loneliness, professional pressure, and the need to single-handedly look after her toddler are making her distraught. She visits a psychiatrist who instructs her to write about a traumatic emotional experience she recently had but could not share with anyone. She gives her fifteen minutes to do the same. In this scenario, which of the following technique is Martha's psychiatrist employing?

A. Sensory deprivation
B. Empathic listening
C. Reappraisal
D. Emotional disclosure