Final answer:
Utilitarian love is practical and rational, while romantic love is spontaneous and passionate; the answer is B. utilitarian/ romantic.
Step-by-step explanation:
Love that is practical and rational is often referred to as utilitarian, whereas love that is spontaneous and passionate is considered romantic. Therefore, the correct answer to the student's question is B. utilitarian/ romantic.
According to Sternberg's Triangular Theory of Love, there are different types of love based on the combination of three components: intimacy, passion, and commitment. Romantic love, for instance, is defined by having passion and intimacy but lacks commitment. This kind of love emphasizes emotional connection and physical attraction, reflecting a deep yet spontaneous attachment between individuals without an underlying commitment typically found in more traditional or long-standing relationships.