I climbed the stairs slowly with a big suitcase, my father with two more.
A. followed
B. was following
C. following
D. having following
网友回答
A. followed
B. was following
(答案→)C. following
D. having following
解析：考查独立主格结构：句意：“我拿着个大箱子慢慢的爬楼梯，我父亲也拿着两个跟着。逗号前面是句子，但是没有连词，所以后面不是句子，而是独立主格结构，因为my father和follow是主动关系，用现在分词，所以选C。