The number of earrings sold at a jewellery store
Since, it indicates number of earnings
It means that it is quantifying it
Because quality means preciousness of jewellery
and quantity means number
so, it is quantitative in nature
now, we know that
continuous can have decimals values
for example: 1.1 , 2.2, 2.7 etc are always be part of continuous value
but number earning can not be 1.1 , 2.2 , 2.7
It will always be natural numbers like-1 , 2, 3, 4, ...
so, it is discrete in nature
Hence , it is quantitative and discrete
so, option-D.........Answer