Final answer:
The synonym for charlatanerie is 'deception,' and its language of origin is French. Therefore, the correct answer is (a) Deception, French.
Step-by-step explanation:
The word charlatanerie used in the context of a sentence often refers to the practice of deceiving or tricking people, usually by making false claims or by pretending to have greater knowledge or skills than one actually possesses. Therefore, the correct synonym for charlatanerie in the sentence provided by the student would be deception.
The language of origin for the term charlatanerie is French, where it implies quackery or fraudulence related to the activities of a charlatan. Hence, the correct answer to the student's question is option (a) Deception, French.