Which of the following statements is NOT true about agriculture and husbandry in Australia？

Which of the following statements is NOT true about agriculture and husbandry in Australia？
A.Australia；is a major agricultural producer and exporter.
B.It is easily affected by international market and natural conditions.
C.Most of the farms in Australia are family-owned.
D.Crop farming is the greatest contributor to Australian agriculture.
正确答案：Crop farming is the greatest contributor to Australian agriculture.