Out of A and C, A sounds better because more consumers own and use lawnmowers than a vegetable garden. Also, growing vegetables in a home garden produces food for yourself and/or people who would buy them, therefore making that person a producer rather than consumer.
An endless sling is not a sling in which loops are formed at each end of the sling body by doubling over the material and securing it by sewing, weaving, or utilizing a compression fitting.