What is considered to be the most important ingredient that makes a horror story

A．great admiration
B．unbiased objectivity
C．dissatisfaction
D．indifference

A．A Survey of Three Mexican - American Families at Work in Texas.
B．Innovative Career Women: Effects on Family Unity.
C．Changes in the Life - styles of Migrant Mexican - American Families.
D．Farming of Family: The Unavoidable Choice for Migrant Farm Workers.

A．Pattern Ⅰ families
B．Pattern Ⅱ families
C．Pattern Ⅲ families
D．None of all