If the Codon 5' CAG 3' codes for Gln, what is the anticodon on the tRNA that will pair with this codon during translation

The answer is b, as with an inference you make a statement with no evidence

the correct answer is: " ventricles " .

"recent advances in brain imaging have allowed clinicians to make scientifically useful comparisons in the relative size of the chambers in the brain that are filled with cerebrospinal fluid."

{source: refer to text within question.}.

these chambers are called ventricles .