I am surprised at the fact that Charles is a heavy drinker, as I thought he was ____________ in all things.( )

In the Chinese tea ceremony, there are four tenets that a tea drinker should observe, i.e. color, form, aroma and price.

Being no tea drinker, I can't ______ between green tea and black tea. A: distinguish B: distort C: distract D: distribute

I am surprised at the fact that Charles is a heavy drinker, as I thought he was ____________ in all things. A: staid B: sycophant C: temperate D: haughty