Arrange the linguistic units from the smallest element to the largest to show how text is constructed. a) Word b) Paragraph c) Sentence d) Letter Choose the correct sequence from smallest to largest.

Introduction / Context:
This verbal reasoning item tests whether you understand the hierarchical structure of written language. Smaller units combine to form larger ones: letters build words, words form sentences, and sentences are organized into paragraphs. Recognizing this “part-to-whole” order is a common pattern in logical sequencing questions.

Given Data / Assumptions:

• Letter is the atomic symbol set used in writing systems.
• Word is a meaningful grouping of letters.
• Sentence expresses a complete thought using one or more words.
• Paragraph groups several related sentences about one idea.

Concept / Approach:
Order the items by composition dependency: each next level must be constructed from the previous level(s). Therefore, any valid sequence must begin with letter and end with paragraph.

Step-by-Step Solution:
Step 1: Letter (d) — smallest unit.Step 2: Word (a) — letters combine into words.Step 3: Sentence (c) — words form a complete statement.Step 4: Paragraph (b) — sentences cluster by topic.

Verification / Alternative check:

Why Other Options Are Wrong:
Any option placing sentence before word, or word before letter, breaks the build-up logic; placing paragraph before sentence also contradicts structure.

Common Pitfalls:
Confusing grammatical complexity with construction order. Even a complex word cannot exist without letters, and a sophisticated paragraph still relies on sentences.

Final Answer:
d, a, c, b