Because Mary and samantha arrived at the bus
                    举一反三
- Because Mary and Samantha arrived at the bus station before noon, I did not see them at the station.
 - 中国大学MOOC: According to structure, which kind of sentence does the following sentence belong to?Because Mary and Samantha arrived at the bus station before noon, I did not see them at the station.
 - I looked for Mary and Samantha at the bus station.
 - According to structure, which kind of sentence does the following sentence belong to?Mary and Samantha left on the bus before I arrived, so I did not see them at the bus station._
 - According to structure, which kind of sentence does the following sentence belong to?Because Mary and Samantha arrived at the bus station before noon, I did not see them at the station. A: Simple B: Compound C: Complex D: Compound-complex
 
