The Paragraph Below Is Developed by a Specific Mode or Pattern

The paragraph below is developed by a specific mode or pattern. Read the paragraph; then answer the question(s) .
(1) Recent research shows that laughter improves health through its positive effects on stress hormones and boosting the immune system. (2) Studies by Dr. Lee Berk and Dr. Stanley Tan of Loma Linda University in California show that belly laughter reduces at least four hormones associated with high levels of stress. (3) Another beneficial effect of laughter, according to these researchers, is an increase in the body's natural ability to kill diseased cells. (4) Laughter seems to reduce pain, too. (5) The Journal of Holistic Nursing reported that patients who were told jokes or watched comic videos after surgery perceived less pain than those who did not get a dose of humor. (6) Consequently, experts recommend taking time to laugh each day, especially during stressful times like finals week.
Transitional words or phrases are used in which sentences?

A) (3) , (6)
B) (2) , (5)
C) (4) , (5)