What caused the blackout in July 1977? A. During a storm, lightning damaged cable

Question

What caused the blackout in July 1977?

A. During a storm, lightning damaged cable.

B. Because of unemployment.

C. Heat waves had made people use too much electrical power.

D. Because the looters damaged the electricity supply.

Answer 1

正确答案：A

34．答案为A  根据最后一段...when lightning hit and knocked out supply cables可知停电是由于闪电击中了供电电缆。