问题
The sentence structure (结构) of “They painted the walls white.” is “_____”. [ ]
A: S＋V＋DO＋OC
B: S＋V＋P
C: S＋V＋IO＋
D: S＋V＋DO
B: S＋V＋P
C: S＋V＋IO＋
D: S＋V＋DO
正确答案是：
