My science teacher explained how the weather cycle works using an illustration. Which is the best revision of this sentence?

A) My science teacher explained how the weather cycle, using an illustration, works.
B) Using an illustration, my science teacher explained how the weather cycle works.
C) Using an illustration, how the weather cycle works, explained my science teacher.
D) My science teacher explained using an illustration how the weather cycle works.

A

Explanation:

because B and C is wrong. And D is not really suitable I think

after the signature of the treaty of versailles in june 1919, germany lost nearly 25,000 square miles and a population of 7 million people. these territories included eupen-malmedy area and moresnet which were ceded to belgium. regarding relations with france, germany ceded the sovereignty of the saar coal mines to this country, as well as the provinces of alsace-lorraine.

explanation:

the answer is b. the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be.