There are three modes of thought in developing alternatives:

a$.$ Unstructured search mode

b$.$ Examine various combinations of elements

c$.$ Assemble elements into candidate solutions

d$.$ All of the above

Unstructured search mode is using new and unconventional approaches to develop new alternatives.

a$.$ True

b$.$ False

Examine various combinations of elements is assembling the elements into viable and complete candidate solutions.

a$.$ True

b$.$ False

Assemble elements into candidate solutions is the idea of creating new and untried combinations.

a$.$ True

b$.$ False