Hemophilia, an inherited condition __26__ almost exclusively in males, is characterized by __27__. The symptoms ofprolonged bleeding begin in childhood and __28__ throughout the life of the affected individual.Hemophilia is associated with __29__ of certain factors in the blood that are necessary to the normal clotting process. Thislack of certain blood components places the hemophilia victim at high risk for uncontrollable bleeding __30__ surgery,serious injury, and even minor trauma.
【題組】26、
(A) occurs
(B) occurred
(C) that occurs
(D) that occurred