Either A or C.
C is smoother, not so broken up.
Japan with many volcanoes, earthquakes, and occasional typhoons is vulnerable to natural disaster.
Which is the best way to revise this sentence?
A) Japan—with many volcanoes, earthquakes, and occasional typhoons—is vulnerable to natural disaster.
B) Japan with many volcanoes, earthquakes, and occasional typhoons—is vulnerable to natural disaster.
C) Japan, with many volcanoes, earthquakes, and occasional typhoons, is vulnerable to natural disaster.***
D) Japan- with many volcanoes, earthquakes, and occasional typhoons, is vulnerable to natural disaster.
C is smoother, not so broken up.
This revision uses commas to set off the phrase "with many volcanoes, earthquakes, and occasional typhoons" as additional information about Japan. The commas help to make the sentence clearer and more concise.