Chemical and structural bridges link groups or layer of like cells, uniting them in structure and function as?

Chemical and structural bridges link groups or layer of like cells, uniting them in structure and function as a cohesive A. organ B. organ system c. tissue d. cuticle e. organismChemical and structural bridges link groups or layer of like cells, uniting them in structure and function as?
The basic order of a cell is cell - tissue - organ - organ system - human. So basically if the question said something like uniting ';tissues'; its going to be organ, uniting ';organ'; its going to be organ system. BUt in this case its ';cells'; so its tissues. C is the correct answer.Chemical and structural bridges link groups or layer of like cells, uniting them in structure and function as?
The key to this question is 'like cells'. This means that 'tissue' is the correct answer, since all others are made up of dissimilar cell types.