62. 根據 2013 年美國婦產科醫學會(ACOG)建議，將胎心音監測準則依嚴重程度分為三級，下列何者非第三級胎心音 (category III) 異常？(A)Early variable deceleration and Absent baseline fetal heart rate variability(B) Recurrent variable deceleration and Absent baseline fetal heart rate variability(C) Recurrent late deceleration and Absent baseline fetal heart rate variability(D)Sinusoidal Fetal Heart Rate