which of the following is a key characteristic of the agile software development approach?

A) agile utilizes cross, functional integrated product teams with a focus on keeping codes, simple, testing often in delivering functional segments as soon as they are ready.

B) Agile is a waterfall approach for the development of fully functional software with a focus on delivering the product in the final configuration.

C) agile is a sporadic approach with lengthy increments to produce and deliver software design ideas.

D) agile, utilizes, an upfront detailed requirements, document to drive a linear approach to the delivery of fully functional software at contract end.