"This is one of the most complicated projects any construction firm could do."
Now I could hardly read my own work, let alone continue working on this complicated project.
Using method (b) above this will be all too easy, particularly on a large and complicated project.
And some people are skeptical about whether the complicated project will ever materialize.
"I've worked on some of the most complicated projects in the world."
"It was one of the most complicated projects ever attempted in a landmark district."
The spiral model is intended for large, expensive and complicated projects.
For larger or more complicated projects the cost can be far greater.
Warning to employers: this might not be the best time to assign a big, complicated project.
You also need to understand, this is the most complicated project I've ever done for you.