def save(): f=open("test.txt","wt",encoding="utf-8") f.write("我abc\nxyz") f.close() save() 执行后，哪个read()函数可以读出全部内容
（A）def read(): f=open("test.txt","rt") for s in f.readlines():__________print(s,end="") f.close()
（B）def read(): f=open("test.txt","rt",encoding="utf-8") for s in f.readlines():__________print(s,end="") f.close()
（C）def read(): f=open("test.txt","rt",encoding="utf-8") for s in f.readlines():__________print(s) f.close()
（D）def read(): f=open("test.txt","rt",encoding="utf-8") s=f.readline() print(s) f.close()
参考答案
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