Read the sentences.

One log forms a natural bridge. The log has a span of 40 feet.

Which sentence combines the two sentences using a present participial phrase?


One log with a span of 40 feet forms a natural bridge.

One log forms a natural bridge, which has a span of 40 feet.

Forming a natural bridge, one log has a span of 40 feet.

Having spanned 40 feet, one log forms a natural bridge.