Cross-Cultural Studies of Attachment Using the ""Strange Situation"" Method Have

Cross-cultural studies of attachment using the ""Strange Situation"" method have revealed that:

A) For Japanese children separation is a normal experience, hence they differ on this type
B) The attachment types are similar across the world
C) Only the avoidant type shows a similar pattern across the world
D) There is greater variation within cultures than there is between cultures
E) The method is a remarkably valid measuring tool