Question: how to melt chocolate

  Options: 
 A. Place chopped chocolate in the bottom of a double boiler or a heatproof bowl set over (not in) a saucepan of simmering water; cook, stirring occasionally, until melted, 2 to 3 minutes.
 B. Place chopped chocolate in the top of a double boiler or a heatproof bowl set over (not in) a saucepan of simmering water; cook, stirring occasionally, until melted, 2 to 3 minutes.
Answer: B