D.
Although letters may be informal as well, commercials tend to be the most informal.
The second one I'm pretty sure
Because now the reader wants to know who the person is also
C is correct. All the others repeat uneededly. Example.d She has NOT had NO problem
Answer:
ndewo ma ọ bụrụ na ịmara asụsụ a oke njo ọ dị nwute m chọrọ isi
Explanation:
