From thE pAssAgE, wE lEArn thAt thErE is A worlDwiDE trEnD towArDs______
A．inCrEAsing thE nutritionAl vAluE oF BrEAD
B．inCrEAsing thE Consumption oF protEin
C．using BAkEry proDuCts As A sourCE oF CArBohyDrAtEs
D．using grAins, suCh As riCE, As A sourCE oF CArBohyDrAtEs