某温度下,Wg某物质在足量氧气中充分燃烧,其燃烧产物立即与过量的Na2O2固体反应,固体质量增加Wg。在①H2 ②CO ③CO和H2混合物 ④HCHO ⑤CH3COOH⑥HOCH2CH2OH中,符合题意的是( )A.均不符合 B.只有①②③ C.只有④⑤ D.全部符合 答案:D解析: Colin married my sister and I married his brother, _____ makes Colin and me double in-laws. A. what B. which C. that D. it