Simplify the sentence by eliminating any wordiness or redundancies. During the time when I lived in Southern California, it was my intention to go visit Disneyland.​

During the time I lived in Southern California, I had intended to visit Disneyland.

Explanation:

Redundant words are those words that need not be included in a sentence. They may make the sentence wordy but they do not add any value or meaning to the sentence, thus, they are redundant. Redundant, in simple terms, means useless, unnecessary.

In the given sentence, certain words can be removed and replaced to make the same meaningful sentence but shorter and simpler. Thus, the simplified final sentence can be written as  

During the time I lived in Southern California, I had intended to visit Disneyland.

the correct answer is: d