This partly explains how the Mehta family has been able to . . . . . . . . its lavish lifestyle in recent times, despite the fact that all its assets have been . . . . . . . .

The correct answer is: A. keep up, destroyed.

The Mehta family has been able to keep up its lavish lifestyle in recent times, despite the fact that all its assets have been destroyed. This is because they have been able to borrow money to maintain their lifestyle. They have also been able to sell off some of their assets to raise cash.

Option B is incorrect because the Mehta family has not been able to develop new assets. Option C is incorrect because the Mehta family has not been able to afford to maintain their lifestyle. Option D is incorrect because the Mehta family has not been able to remove their assets from the country.