Final answer:
Savvy means having practical knowledge and being smart, particularly in a specific area. In the multiple-choice question provided, the correct answer is 'd) Smart'.
Step-by-step explanation:
The word savvy means to have practical knowledge or understanding of something. It is often used to describe someone who is smart, shrewd, or informed, especially in a particular area or topic. When applied as an adjective, 'savvy' suggests that a person has a quick and insightful intelligence or a particular know-how in a certain field. If we look at the options given in the question, the correct answer would be (d) Smart, as savvy relates to being knowledgeable and perceptive.