单选题 I decided to go to the cinema as soon as I ______.
【正确答案】 D
【答案解析】[解析] as soon as引导时间状语从句，从句谓语动词用一般现在时表示将来，用一般过去时表示过去将来，“what I was doing”指说话时正在做的事情(指在将来回过头来看过去)。