[Xmat]

During an APU start, which statement is CORRECT?

A. The APU compressor supplies bleed air to the starter before the APU reaches self-sustaining speed.

B. The APU starter rotates the APU until sufficient speed is reached for the compressor to provide the required air for combustion.

C. Once the APU starts, the starter continuously drives the compressor to maintain APU RPM.

D. APU bleed air is available immediately when the starter is engaged, regardless of APU speed.

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