Which of the following illustrates a firm having a triple bottom$-$line $(3$BL$)$ approach? choose an answer from below

A$.$ Adbel Inc. issues free meal coupons to its employees.

B$.$ Brenerz Enterprises reduces its industrial waste by half and provides cab services for its employees.

C$.$ Brink$-$T Technologies donates ten percent of its profit to charity, reduces toxic emission from its plants, and has ten percent increase in financial turnovers.

D$.$ Amelia and Lewis Enterprises provides longer maternity$/$paternity leaves and free medical insurances for all their employees.