Nero Opened Oh! Fudge!, a Candy Store, as a Corporation

Nero opened Oh! Fudge!, a candy store, as a corporation. When doing busi?ness on behalf of the store, to avoid personal liability, Nero should sign contracts

A) as an express agent for the corporation.
B) as an express party to the contract.
C) as an express agent and a party to the contract.
D) under a false name.