What was a key focus of centre-left Australian governments, such as those led by the Australian Labor Party, in amending the Family Law Act 1975?

A. Increasing the financial burden on stay-at-home mothers in property matters
B. Reducing the number of amendments to the Act
C. Strengthening the rights of fathers in negotiating parenting arrangements
D. Strengthening the relevancy of non-financial contribution of the stay-at-home mother in property matters
Answer: 