The number of earrings sold at a jewelry store

A. Qualitative/nominal

B. Qualitative/ordinal

C. Quantitative/continuous

D. Quantitative/discrete

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

D i think is the answer ... not 100% sure tho