Which sentence has no errors in capitalization?


A.

Sarah said, "First, wet the clay." She picked up a lump, dropped it, and said, "then center it on the wheel."


B.

Sarah said, "First, wet the clay." she picked up a lump, dropped it, and said, "then center it on the wheel."


C.

Sarah said, "First, wet the clay." She picked up a lump, dropped it, and said, "Then center it on the wheel."


D.

Sarah said, "first, wet the clay." She picked up a lump, dropped it, and said, "then center it on the wheel."