阿摩線上測驗
47 According to the passage, what was the primary reason that SpaceX control room cheered at the time?
(A)Because the webcast was successful.
(B)Because the vessel was not frozen.
(C)Because the landing of the rocket was successful.
(D)Because the control room was recovered successfully.
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統計： A(353), B(301), C(2269), D(386), E(0) #2052473
統計： A(353), B(301), C(2269), D(386), E(0) #2052473
