Their efforts to improve the school have been very (). (effect)

A. wealthy and arrogant
B. the wealthiest in town
C. well-known in five states
D. wealthy and respected

A. It encourages people to use physical touches more often.
B. It describes the writer’ S family and their relationships.
C. h deals with the skills of greeting people.
D. It briefly introduces different fashions of greeting each other.