请说出下列句子(或主句)的结构类型。Theypaintedthedoorgreen.
A. S+V
B. S+V+O
C. S+V+O+C
D. S+V+P
Wehaveworkedfor5hours.
A. S+V
B. S+V+O
C. S+V+IO+DO
D. S+V+P
Themeetinglastedhalfanhour.
A. S+V+O
B. S+V+P
C. S+V+IO+DO
D. S+V
Hedidnotknowwhattosay.
A. S+V
B. S+V+O
C. S+V+P
D. S+V+O+C