(A) Early decelerations are reassuring and do not warrant notification of the physician. (B) Because early decelerations is a reassuring pattern, it would not be necessary to change the client's position. (C) Early decelerations warrant the continuation of close FHR monitoring to distinguish them from more ominous signs. (D) O2 is not warranted in this situation, but it is warranted in situations involving variable and/or late decelerations.