select the most appropriate word to fill in the blank. These apples _______ Rs.100 per Kg. Do you think they are expensive? (a) cost (b) is costing (c) has cost (d) costs

Options

A. cost
B. is costing
C. has cost
D. costs

Explanation

“Cost” in its singular form refers to the sum of a total group. “Costs” refers to all of the pieces within that group. eg: The cost of service includes material costs and labor costs.