I suspected was the shampoo problem . Recently I just changed her shampoo , usually Carmen use Baby Johnson shampoo , current shampoo was give by my mother in law friend , because she bought extra . That 's what my mum and I suspect , so I quickly change back her shampoo to the original shampoo .

Based on the preceding passage, choose your answer for question what may be the plausible cause for the concerns I have for Carmen 's hair ?
Select from: A). Because Carmen has tried only two shampoo brands; B). Because the shampoo is an extra of a set; C). None of the above choices .; D). It is highly likely that this due to the change in shampoo;
The answer is:
D).