判斷句子的主干屬于哪一種結構 A.(S+V)B.(S+V+P)C.(S+V+O.)D.(S+V+O+O.C)E.(S+V+I O+DO) This program allows volunteers to work up close with pandas cared for in captivity,and help them adapt to life in the wild.
3.International tourism has brought in a phase where the opportunities of making quick profits from exploiting too much of what was regarded as freely available natural resources dazzled the eyes of government and businessmen,as well as many local residents. What is the sentence pattern?( )