In which year did the independence movement begin in Lithuania, later spreading to Estonia and Latvia?

1988

The correct answer is Option 1 - 1988

The independence movement began in Lithuania in 1988, and later spread to Estonia and Latvia.
Lithuania became the first of the 15 Soviet republics to declare its independence in March 1990.
The three Baltic republics of Estonia, Latvia, and Lithuania became UN members in September 1991.