The Earth Is Estimated to Be Approximately 4

The earth is estimated to be approximately 4.6 billion years old.Life appeared early in the history of Earth,but metazoans (multicelled organisms) did not appear until about 600 million years ago.If the history of Earth were compressed into a single year,when would metazoans appear?

A) late September
B) late November
C) mid-December
D) late January