单选题 ______ the stress of examinations are over, we can all relax.
A. While B. Even though C. Now that D. For

【正确答案】 C
【答案解析】now that意为“既然,由于”,用于新的事情的发生,接一般现在时的句子;while意为“虽然”;even though意为“即使”;for意为“因为”,不能用于句首。