Answer:
[tex]\boxed{\tt C. \ Around }[/tex]
Explanation:
Let's break down the word.
Pericardial = peri- cardi - al
Peri-: (prefix) = around
Cardi: (root) = heart
-Al: (suffix) = pertaining to
Put the definition together.
Pericardial = pertaining to around the heart.
Therefore, the correct answer is C. Around