He prayeth best, who loveth best

All things both great and small;
For the dear God who loveth us,
He made and loveth all.

The main theme of "The Rime of the Ancient Mariner" is _____________.

a.be nice to sailors
b.watch the weather
c.love all God's creatures
d.pray to God in hardships

The main theme of "The Rime of the Ancient Mariner" is c. love all God's creatures.

To arrive at this answer, we can analyze the provided excerpt from the poem, which states, "He prayeth best, who loveth best all things both great and small; For the dear God who loveth us, He made and loveth all." These lines indicate that the speaker believes that one prays most effectively when they have love and appreciation for all of God's creations, regardless of their size or significance. This suggests that the poem's central theme revolves around the importance of compassion, reverence, and love towards all living beings, as they are all part of God's creation.

By understanding the key phrases in the excerpt and interpreting their meaning in the context of the poem, we can conclude that the main theme of "The Rime of the Ancient Mariner" is to love all God's creatures.