Blood platelets release

Which of the given options is correct regarding blood groups and donor compatibility?

If the foetus is $Rh^+$ and the mother is $Rh^-$,then:

Match the Column $I$ (blood corpuscles) and Column $II$ (stem cells/precursors from which they are formed).

Column $I$ (Blood corpuscles)	Column $II$ (Stem cells/precursors)
$i$. Thrombocytes	$a$. Lymphoid stem cells
$ii$. Granulocytes	$b$. Megakaryocytes
$iii$. Erythrocytes	$c$. Myeloid stem cells
$iv$. Agranulocytes	$d$. Reticulocytes

Choose the correct option given below.

Which of the following anticoagulants is added to blood during storage?

When is thromboplastin released in humans?