a) The value is the value of the element’s value attribute if it has one, or the empty string otherwise
b) The value is the item created by the element
c) The value is the element’s datetime value
d) The value is item’s scope

Answer: a
Explanation: The “itemprop” attribute is a global attribute which adds properties to item. When the property value of a name-value pair added by an element with an itemprop attribute which is a data element then the value is the value of the element’s value attribute if it has one, or the empty string otherwise.