单选题 ______your computer has a virus protection programme, you might still fall victim to e-mail scams or other malicious software.
A. Not until B. Even if C. Now that D. In case

【正确答案】 B
【答案解析】句意：即使你的计算机装有防病毒程序，你仍有可能成为邮件诈骗和其他恶意软件的受害者。Even if即使；虽然。Not until直到…才。Now that既然。In case万一，假使。