Correct option is A
A. Temporary marriage: Muta marriage is a temporary marriage for a fixed period.
B. Recognized under Shia Law: It is recognized in Shia law but not Sunni law.
D. A marriage for a fixed period: Muta marriage is for a specific duration (e.g., days, months, or years).
E. One in which dower need not be specified: This is incorrect as dower (mahr) is an essential condition for Muta marriage.