WW is a 62-year-old female with hyperlipidemia and hypothyroidism. Her current medications include cholestyramine and levothyroxine (thyroid hormone). What advice would you give to WW to avoid a drug interaction between her cholestyramine and levothyroxine?

A、Stop taking the levothyroxine as it can interact with cholestyramine.
B、Take levothyroxine 1 hour before cholestyramine on an empty stomach.
C、Switch cholestyramine to colesevelam as this will eliminate the interaction.
D、Switch cholestyramine to colestipol as this will eliminate the interaction.
E、Take levothyroxine and cholestyramine at the same time to minimize the interaction.