5.Benjamin Franklin invented many things that made life easier in the late 1700's. He invented the lightning rod that saved many homes from fires. He also invented the Franklin stove. The stove could heat a room better than a fireplace and saved people a lot of fuel. He also invented a special kind of glasses called bifocals. This new kind of glasses helped people to read better. What is the main idea of this paragraph? *
A. Benjamin Franklin was a great inventor.
B. Benjamin Franklin was not afraid of fire.
C. A Franklin stove can heat a whole room.
D. Benjamin Franklin believed stoves were better than fires.
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