If they don’t invest wisely, they can lose their millions as fast as their ancestors made them.
句意:如果他们不明智地投资,他们就会像他们的祖先创造他们那么快地丢掉所有的钱。ancestor 祖先。forefather祖先。descent血统。successor继承者。predecessor前任。因此,本题的正确答案为C。