Given What You Know of the Inheritance Pattern of SCD,is

Given what you know of the inheritance pattern of SCD,is the following pedigree representative of a typical SCD pedigree?

A) Yes;this is a dominant pedigree,and SCD exhibits dominant inheritance.
B) Yes;this is a recessive pedigree,and SCD exhibits recessive inheritance.
C) No;this is a dominant pedigree,and SCD exhibits recessive inheritance.
D) No;this is a recessive pedigree,and SCD exhibits dominant inheritance.
E) Another generation is needed before you can determine mode of inheritance.