Final answer:
Moschus is known for his a. pastoral poetry which focuses on the theme of love, particularly involving love gods and their interactions with humans.
Step-by-step explanation:
Moschus authored pastoral poetry, with a specific emphasis on love gods and their relationships to mortals. In the context of Greek literature, pastoral poetry is a genre that often depicts the idyllic lives of shepherds and country folk in an idealized manner. These works usually emphasize themes of love and nature and are set against the backdrop of a serene, rural landscape.
The correct answer to the question would be option a) Pastoral; Love. This genre contrasts with poetry that focuses on other themes such as philosophy or politics and those that involve different deities related to different aspects of life and nature, like war gods or ocean gods.