The price of a cup of coffee is higher than ------of a glass

The price of a cup of coffee is higher than ------of a glass of tea.A .it B .that C .one D .price
The price of a cup of coffee is higher than ------of a glass of tea.
A .it B .that C .one D .price
第二题应该是这个：
A chair of this kind is lighter than -----made of wood.
A .one B .that C.it D .what