This article as a whole tells us _____________.

Knowledge: Read to understand the main idea

Explain:

This entire article tells us _____________

A. about electricity

B. about amber

C. about the curiosity of an ancient Greek philosopher

D. about Thomas Edison

Information:

The first discovery of electricity is over 2,600 years old.

(The first discovery of electricity is more than 2,600 years old.)

The word electricity comes from the Greek word meaning amber, which is electron

(The word electricity comes from the Greek word for amber, which is electron.)

More than two thousand years after Thales, an English physician discovered that other substances also had this characteristic of electricity

(More than two thousand years after Thales, an English doctor discovered that other substances also have this electrical property.)

Choose A.