I think that Dickens meant to show that the world cant hide from laughter or good humour. If you see someone laughing you tend to laugh too. If you heart a funny joke you laugh at it. This world isnt just filled with nasty its also filled with fun.
Hope this helps but this is what i feel Dickens meant. the person grading your work may feel different
The italicized word is SHEAVES.
The correct option is BUNDLES OF GRAINS.
In English language, literally, sheaves refers to an amount of stalks and ears of cereal plants that are bound together as a bundle. Cereal plants are usually packed in this manner after harvest. Sheaves generally refers to a bundle of things that are tied together.
I say D. Because they have different backgrounds then the USA but ???