單項(xiàng)選擇題

PLCameraSettingcameraSetting=newPLCameraSetting（）；cameraSetting.setCameraId（PLCameraSetting.CAMERA_FACING_ID.CAMERA_FACING_FRONT）；cameraSetting.setCameraPreviewSizeRatio（PLCameraSetting.CAMERA_PREVIEW_SIZE_RATIO.RATIO_4_3）；cameraSetting.setCameraPreviewSizeLevel（PLCameraSetting.CAMERA_PREVIEW_SIZE_LEVEL.PREVIEW_SIZE_LEVEL_480P）；（）

A.麥克風(fēng)采集選項(xiàng)
B.攝像頭采集選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)

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