the statement that many comic scenes in ...however.........changing scenery is given as a counter argument . the actual argument is in the first line i.e opera's stage direction is never reflected in music. to counter it the only claim that can be made by the given statment is that (variety of) opera's stage direction is reflected in the music . Only D is claiming this .
By POE a,b and e can be easily eliminated .
b/n c and d C is an reverse ans (refer power score CR rule for reverse ans)
keyword however is helping to identify the counter argument
It does not matter how many times you get knocked down , but how many times you get up