Explanation:

This question tests your knowledge of phrasal verbs, specifically combinations with 'answer'. \nOption A: 'answer' (without a preposition) typically means to reply to a question or respond to a call. For example, 'answer the phone' or 'answer a question'. It does not convey the meaning of being held responsible. \nOption B: 'answer for' is the correct phrasal verb. 'To answer for something' means to be held responsible or accountable for it, often implying facing consequences. In this sentence, it means you will be held accountable for your wrongdoings ('misdeeds and malpractices'). \nOption C: 'answer to' means to be subordinate to someone (e.g., 'He answers to the manager') or to explain something to someone (e.g., 'You'll have to answer to me for this'). While related to accountability, it doesn't fit the context of being responsible *for* your actions as directly as 'answer for'. \nOption D: 'answer with' is not a standard phrasal verb in this context. It might be used in specific situations like 'answer with a smile', but not for accountability. \nTherefore, 'answer for' is the most appropriate phrase to indicate responsibility and accountability for one's actions.