选D
要么是it is said that he had been abroad before
要么是he is said to have been abroad before
要么是he is said that he had been abroad before
要么是they said that he had been abroad before
选D
要么是it is said that he had been abroad before
要么是he is said to have been abroad before
要么是he is said that he had been abroad before
要么是they said that he had been abroad before