The correct answer is A. Pretended sorrow.
Crocodile tears are tears that are shed insincerely or hypocritically. The phrase is often used to describe someone who is pretending to be sad or upset when they are not really. In the context of the question, Dharmendra is being accused of only pretending to be sorry that his wife died.
Option B, tears a crocodile, is incorrect because it is not a phrase that is commonly used. Option C, a weeping crocodile, is incorrect because it does not describe someone who is pretending to be sad. Option D, mild regret, is incorrect because it does not describe someone who is pretending to be sad.