Which of the following acts as thermal stabilizer for tetra ethyl lead?

Which of the following acts as thermal stabilizer for tetra ethyl lead? Correct Answer Aromatic hydrocarbon

Tetra hydro furan and diethyl ether are used to increase conductivity, ethyl magnesium chloride (Grignard reagent) is a raw material for production of tetra ethyl lead, and aromatic hydrocarbon is used as thermal stabilizer for TEL.