In advanced economies, as a percentage of the total economy,

A$.$ agriculture and manufacturing are small and shrinking, and services are large and expanding

B$.$ agriculture, manufacturing, and services are remaining relatively constant

C$.$ services are small and shrinking, and agriculture and manufacturing are large and expanding

D$.$ agriculture, manufacturing, and services are all shrinking as more production is being imported from developing economies

E$.$ agriculture, manufacturing, and services are expanding quickly