在百度语音合成服务中,创建语音合成实例对象的语句是()
A.
SpeechSynthesizer mSpeechSynthesizer = SpeechSynthesizer.getInstance();
B.
SpeechSynthesizer mSpeechSynthesizer = new SpeechSynthesizer();
C.
SpeechSynthesizer mSpeechSynthesizer = SpeechSynthesizerFactory.create();
D.
SpeechSynthesizer mSpeechSynthesizer = new SpeechSynthesizerFactory();