Why Are Domestic Agreements Presumed Not to Be Legally Binding

Why are domestic agreements presumed not to be legally binding? Please select all that apply.

A) The trivial nature of many domestic arrangements means the courts are ill-suited to their investigation
B) Domestic and social promises should not be subject to an intrusive legal process.
C) If domestic promises could lead to legally binding contracts, the courts might be overwhelmed by excessive litigation.
D) The parties in domestic agreements rarely provide the consideration necessary to form a contract.