Which sentence from the passage best supports the inference that the narrator thinks Vilho needs to be cautious? A.
"Given the widespread bilingualism of Finland, this was an embarrassing deficiency."
B.
"Yet, Vilho had been struggling with the English language throughout his school life."
C.
"Discussing American cinema with a friend was one thing, but understanding the complexities of English grammar was another thing altogether."
D.
"We had been through so much together, and I needed him with me at graduation, not just for old time's sake but to help me face an uncertain future."