单选题 David was a very cute boy but now he seems to have no interest in anything.
【正确答案】 A
【答案解析】[解析] 句意为：大卫是一个非常聪明的男孩，但现在他似乎对任何事情都提不起兴趣。clever意为“聪明的”；honest意为“诚实”；brave意为“勇敢”；dull意为“单调、乏味”。