A. | 1. Telegraph |
B. | 2. Computer |
C. | 3. Fax |
D. | 4. Mobile Phone |
A) A-1, B-2, C-3, D-4
B) A-2, B-4, C-1, D-3
C) A-4, B-3, C-2, D-1
D) A-3, B-4, C-1, D-3
Correct Answer: B
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