Answer:
D. Huxley, Aldous
“whose father worked for the railroad” is a subordinate clause as it is a relative clause beginning with the pronoun “whose”. It is particularly used in written English and it refers to possession of things or to make association or connections with other things or people.
Its emphasises the writers message and keeps it constant, andstuck in the readers mind, so therefore the reader will want to read on due to the fact that they'd want to find out more about what is actually happening and it gets them hooked.
big foot......................