Which syntax correctly defines a hash object with one key component and two data components?

The correct syntax for defining a hash object with one key component and two data components is the choice that uses the appropriate syntax for the definekey and definedata methods. In this context, a hash object can store a key-value pair, where the key is unique and relates to the values stored under it.

In the correct option, the definekey method is used with a string argument to specify the name of the key component, which is valid because hash object methods require the key to be encapsulated in quotes. Following that, the definedata method is utilized to define two data components. Here, the two component names are separated by a comma and also wrapped in quotes, which is the correct syntax for specifying multiple data components within the hash object.

The other options either use incorrect syntax for specifying multiple data components or lack the necessary quotes around the strings, failing to define the hash object properly. Thus, the correct use of quotations and commas in option D exemplifies the accurate construction of a hash object in SAS.