Question

is the highlighted portion of the sentence a complete or incomplete thought?
mbaku is lying by the pool; he loves the sunshine.
complete thought incomplete thought

Explanation:

A complete thought (independent clause) has a subject and a predicate, expressing a full idea. The highlighted portion "M'Baku is lying by the pool" has a subject (M'Baku) and a predicate (is lying by the pool), conveying a complete action/state.

Answer:

Complete thought