In connection with transistors operated in class B and class

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In connection with transistors operated in class B and class AB, consider following statements:
(1) In class B for low signal voltage at the base, the collector current is zero
(2) In class AB, with no signal the dc power drawn is zero
(3) The power efficiency in class AB is higher than in class B
(4) In class B there is crossover distortion
Of these, the true statements are:

1. only 1, 2
2. only 3, 4
3. only 2, 3
4. only 1, 4

Correct Option: A

NA