Considering the lexeme "heart" as used in the phrase with the canker of ennui at his heart (1.30–31), evaluate the following statements regarding its grammatical and lexical properties. Mark the CORRECT alternative, considering T for True and F for False.

(_) Heart functions as a concrete, countable noun referring literally to the anatomical organ within this context.

(_) The word heart here operates metaphorically, denoting the emperor's emotional or spiritual core.

(_) Heart is derived from Old English and retains exclusively physiological meaning in contemporary usage.

(_) In this construction, heart functions as an abstract, uncountable noun expressing cause.