Final answer:
The love depicted in Sonnet 43 by Elizabeth Barrett Browning is best described as 'Lasting and profound,' as it embodies a deep spiritual and eternal connection.
Step-by-step explanation:
The love expressed in 'Sonnet 43' by Elizabeth Barrett Browning can be best described as D) Lasting and profound. This sonnet is part of Browning's collection 'Sonnets from the Portuguese' and represents the poet's deep and enduring affection for her beloved. Unlike spontaneous or fleeting love, the love depicted here transcends the physical and material world, reaching into the realm of the spiritual and the eternal. Browning uses phrases like 'I love thee to the depth and breadth and height my soul can reach' to express the immeasurable and all-consuming nature of her love.