On the country, I think it’s Traman, ____ you, ____ to blame

On the country, I think it’s Traman, ____ you, ____ to blame
A. more than, are
B. less than, who are
C. rather than, that is
D. rather than, is
为什么选C呢?帮忙分析下句子结构,这句话意思我也不是很懂?
He got to the stations early,_____ missing his train.
A. in case of B. instead of C. for fear of D. in search of
我选A的,以防错过火车吗~~~为什么是C呢?虽然生怕错过也通~~~