Bread is a starch, so it is allowed on the McDougall diet.
However, if you are trying to lose weight, be aware that bread is relatively calorie-dense. And therefore may not be a good choice.
Meantime, you might check out Dr. McDougall's color picture book...it provides a good summary of what he does, and does not, recommend:
https://www.drmcdougall.com/health/education/cpb/