I can remember very few when he had to cancel his plans because of poor health.A. situati

网友回答

A. situations
B. conditions
(答案→)C. occasions
D. circumstances
解析：这题考查词义辨析 ：situations形势，conditions条件，occasions机会，场合， circumstances环境，几个词只有 occasion后面是 when引导定语从句 。句意是：我能记住很少有机会他会因为身体差取消计划的。选C。