Final answer:
Words that you already know may have specialized meaning in science or math. option A is correct.
Step-by-step explanation:
When studying science or math, words that you already know may have specialized meaning. In these subjects, certain terms may have specific definitions that differ from their everyday usage. For example, the word 'theory' in science has a different meaning than in everyday conversation. Understanding the specialized meaning of words in science and math is important for accurate comprehension and communication.