He is ____ New York ____ his cousin, Simon.
A:on, with
B:on, and
C:in, with
D:in, and
Ⅰ.日常生活中化学无处不在,从石墨、二氧化硫、熟石灰、醋酸、碳酸氢铵等物质中,选择与下列叙述相应的物质,用化学式填空: