Answer:
c. Intensive distribution
Explanation:
Convenience goods refers to those goods which are purchased conveniently without thinking much. For example grocery purchases.
Convenience goods are frequently purchased by the consumers.
Channels of distribution refers to the medium via which goods are transferred from the manufacturers to it's consumers. All the activities in the middle of this cycle form the channel of distribution such as wholesalers, intermediaries, retailers etc.
For convenience goods, an intensive channel is usually used which means making convenience goods available at as many places as possible since these are the goods which are frequently purchased.
So it means to make such goods available in as many outlets as possible, i.e intensively distributed.