37. 翻譯：每次當值時間，以人力方式測試自動舵至少一次。
(A) The automatic pilot is tested manually at least once a watch.
(B) The automatic rudder is tested manually at least once a duty.
(C) The self-control pilot is tested manually at least once a watch.
(D) The self-control rudder is tested manually at least once a duty.

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