Given below are some statements for an electric fuse. Choose the correct statement.

a. There is a maximum limit on the current which can safely flow through the electric circuits.
b. There is a minimum limit on the current which can safely flow in the electric circuits.
c. Fuses are inserted in electric circuits of all the commercial buildings.
d. If a proper fuse is inserted in a circuit it will blow off if current exceeds the safe limit.

Please answer me correctly​