下列各句中，没有语病的一句是（3分）（ ）

s population is expected toincrease to about 1.5 billion in 2040, _____ it will start to decline slowly.

25These two countries are similar ______ they both have a high snowfall during winter

______ we first heard of the man referred to as a computer specialist in software.

People are bombarded (轰炸) with information________magazines and TV advertising.[ ]