The Waste Land is T.S. Eliot’s most important single poem. What’s the theme of the poem?

The Waste Land is T.S. Eliot’s most important single poem. What’s the theme of the poem?

The poem is concerned with:
A.The spiritual breakup of a modem civilization in which human life has lost its meaning, signifiance and purpose.
B.The poem has developed a whole set of historical, cultural and religious themes;
C.but it is often regarded as being primarily a reflection of the 20-century people's disillusionment and frustration in a sterile and futile society.