Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.
Question . A man in Quang Nam has launched a solo effort to fundraise for a young girl. Her parents died in a tragic waterway accident.
A. A man in Quang Nam whose parents died in a tragic waterway accident has launched a solo effort to fundraise for a young girl.
B. A man in Quang Nam has launched a solo effort to fundraise for a young girl whose parents died in a tragic waterway accident.
C. When a man in Quang Nam has launched a solo effort to fundraise for a young girl, her parents died in a tragic waterway accident
D. When a man in Quang Nam has launched a solo effort to fundraise for a young girl, her parents died in a tragic waterway accident