"Symphony" is the one musical composition among the following choices given in the question that is the shortest in length. The correct option among all the options that are given in the question is the fourth option or option "d". I hope that this is the answer that has actually come to your desired help.
The answer should be A or C
This is incorrect. Gouache painting is very very similar to watercolours, so much so that the two can be used together. It is an opaque method of painting.