Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
I met my long-lost brother. I was at a loss for words.
A.When the speaker met his brother, he refused to say anything.
B.When the speaker met his brother, he was puzzled about what to say.
C.When the speaker met his brother, he had nothing pleasant to say.
D.When the speaker met his brother, he had much to say.