GMAT Sentence Correction (SC) | Re: Tense Issue

Q Since all flights were being cancelled because of the blizzard,Eric has to be taking the train if he wants to get home for Christmas.
a) Eric has to be taking the train if he wanted to get ----> if clause is in simple past so the other should be either simple past or would.
b) the train was what Eric must have to take for getting--> awkward
c) taking a train wasthat which Eric hadto consider for getting--->consider X Y correct idiom
d)the option was of Eric having to take a train