His latest medical study suggests that high blood pressure ______ with unhealthy lifestyle
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His latest medical study suggests that high blood pressure ______ with unhealthy lifestyles.
A．has something to do
B．have something to do
C．had something to do
D．is having something to do
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正确答案：A
解析：通常情况下，如果动词suggest后直接加上宾语从句，则从句中要用虚拟语气，其形式为should+动词原形，其中should可以省略。但是，在本题中，动词suggest并非表示“建议”，而是“暗示”之意，因而其后的宾语从句不能用虚拟语气，而必须用真实语气。