I would consider B. a gothic writing but im not sure. Please let me know if im wrong.
Answer:
Explanation:
After jerry dusted his bedroom, he vacuumed
Answer:
Why are their numbers declining?
Explanation:
The combined impacts of habitat loss, habitat fragmentation, habitat degradation, human population growth, poaching, disease, war and civil unrest threaten the remaining giraffe numbers and their distribution throughout Africa.

Sentence is a group of words which makes a complete sense.