Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.
Question 30: There was a terrible flood. All villagers, who had received a warning of the impending flood, escaped to safety.
A. All of the villagers had been warned but only some escaped.
B. All of the villagers had been warned and all escaped.
C. Only some of the villagers had been warned and only some escaped.
D. Only some of the villagers had been warned and all escaped.