—Could you tell me how your mother usually

—Could you tell me how your mother usually goes to work?—Yes. If it is fine, she ________ to her office.A.will walkB.will go on footC.walksD.would go on foot

C解析从问句的usually goes to work可知是问通常的情况，其回答也应该是指通常的情况，因此要用一般现在时。

回答的不错