The expanded form for they’d is:

  1. They would 
  2. They had and They would 
  3. They had 


They'd is defined as they had or they would. An example of they'd is someone saying that a musical group will go on tour if a new album is released, 'They'd go on the tour.' Contraction of they had.

The correct answer is: They had and They would 

    answer- choice 2. They'd is a spoken form of 'they had', especially when 'had' is an auxiliary verb. For example, they'd both lived in this road all their lives. Other hand they'd is a spoken form 'they would'. For example, he agreed that they'd visit her after they stopped at Jan's for coffee.