Edison's electric light bulb is mentioned in the passage because it _______. A. replaced gas as a light source B. increased the need for electrical power C. was safer than any other method

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Edison's electric light bulb is mentioned in the passage because it _______.

replaced gas as a light source

increased the need for electrical power

was safer than any other method of lighting

could work only with electricity generated from coal

Giải thích

Đáp án B

Dựa vào thông tin “The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power” → bóng đèn điện của Edison được đề cập đến trong đoạn văn bởi vì nó làm tăng nhu cầu về năng lượng điện.