Answer: The correct option is (D)

Step-by-step explanation: We are given to select the equation or inequality that represents the following statement:
"1 more than 3 times a number is less than the sum of 3 and the same number ".
Let, the given number be represented by x.
Then,
1 more than 3 times the number x is written as

and the sum of 3 and the number x is written as

Since the first statement is less than the second statement, so we can write

Thus, the correct option is (D).