单选题 Parents have to do much less housework for their children today than they used to do.

• A)现今，做父母的让其子女们操持家务的比以往少得多了。
• B)现今，做父母的为其子女们操持家务比以往少得多了。
• C)现今，父母做的家务事比子女们少得多了。
• D)现今，父母做的家务事比子女们多得多了。