Which tissue is widely distributed in the body and also forms most of the parts of body?

The four sketches $(\mathrm{A},\mathrm{B},\mathrm{C}\text{ and }\mathrm{D})$ are given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?

(A)              (B)              (C)              (D)